
Peptídeos
Subcategorias de "Peptídeos"
Foram encontrados 29708 produtos de "Peptídeos"
Ac-SPQLATLADEVSASLAKQGL-OH
Peptide Ac-SPQLATLADEVSASLAKQGL-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Bovine β- Casein, monophosphopeptide
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolFórmula:C81H125N22O39PPeso molecular:2,062 g/molH-WHLC-NH2
Peptide H-WHLC-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Ac-DDTSRMEEVD-OH
Peptide Ac-DDTSRMEEVD-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-DQLIVNLLK^-OH
Peptide H-DQLIVNLLK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-QDVDNASLAR^-OH
Peptide H-QDVDNASLAR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.HXB2 gag NO-122
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolPeso molecular:1,718.9 g/molAc-DLIEEAASRPVDAVPEQVKAAGAY-NH2
Peptide Ac-DLIEEAASRPVDAVPEQVKAAGAY-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Ac-RNQDQQGPFKMC-NH2
Peptide Ac-RNQDQQGPFKMC-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Ac-AEEE-NH2
Peptide Ac-AEEE-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-SLYSFPEP^EA-OH
Peptide H-SLYSFPEP^EA-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Glepaglutide
CAS:Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool
Fórmula:C197H325N53O55Peso molecular:4,316.01 g/molAc-LEGR^-OH
Peptide Ac-LEGR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-SVDQRGNQ-NH2
Peptide H-SVDQRGNQ-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-ELAVAAAYQSVR^-OH
Peptide H-ELAVAAAYQSVR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-AQEALDFYGEVR^-OH
Peptide H-AQEALDFYGEVR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.IA-2 797-805 (HLA-A*02:01)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool
Mca-Pro-Leu-OH
CAS:Mca-Pro-Leu-OH is a monoclonal antibody that recognizes the antigen staphylococcus. It is useful for the diagnosis of postoperative infections, nephrology dialysis, and in renal transplantation to prevent graft rejection. It has been used as an immunofluorescent stain in human chorionic gonadotropin (hCG) and follicle stimulating hormone (FSH) studies. Mca-Pro-Leu-OH is a mouse monoclonal antibody that reacts with human chorionic gonadotropin (hCG). The specificity of this antibody has been shown to be very high since it does not react with other proteins found in nature such as follicle stimulating hormone (FSH).Fórmula:C23H28N2O7Pureza:Min. 95%Cor e Forma:PowderPeso molecular:444.48 g/molhTRT 674-683 (HLA-A*02:01)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolAc-NISH-pNA
Peptide Ac-NISH-pNA is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-FQTAAQR^-OH
Peptide H-FQTAAQR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-Orn-AMC hydrochloride salt
CAS:H-Orn-AMC hydrochloride salt is a white solid with a melting point of about 150°C. It is used as a reactant in the manufacture of pharmaceuticals, research chemicals and other speciality chemicals. H-Orn-AMC hydrochloride salt is also an intermediate for the synthesis of complex compounds, useful as building blocks for chemical synthesis, and can be used as a reagent in analytical chemistry.Fórmula:C15H20ClN3O3Pureza:Min. 98 Area-%Cor e Forma:PowderPeso molecular:325.79 g/molCMVpp65 - 102 (DSDEELVTTERKTPR)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool
Peso molecular:1,775.9 g/molH-LSQLQTYMIQFDQYIK^-OH
Peptide H-LSQLQTYMIQFDQYIK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
LCBiot-SRTPSLPTPPTREPK-NH2
Peptide LCBiot-SRTPSLPTPPTREPK-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-VPTANVSVVDLTCR^-OH
Peptide H-VPTANVSVVDLTCR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.(Des-Asp187,Met186)-Melanocyte Protein PMEL 17 (185-193) (human, bovine, mouse)
CAS:Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolFórmula:C43H69N9O11SPeso molecular:920.12 g/mol1,3-Dipalmitoylglycerol
CAS:1,3-Dipalmitoylglycerol is a diacylglycerol, which is a type of fatty acid that is also known as a 1,2-diacylglycerol. It has been shown to exhibit hemolytic activity in the presence of hydroxyl groups. The optimum pH for 1,3-dipalmitoylglycerol is at around 7.5 and it can be used as a biocompatible polymer to form controlled-release preparations with neutral pH that are tumoricidal.Fórmula:C35H68O5Pureza:Min. 95%Cor e Forma:PowderPeso molecular:568.91 g/molAc-KLTWQELYQLK^YKGI-NH2
Peptide Ac-KLTWQELYQLK^YKGI-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Ac-ARTKQTARKSTGGKA-NH2
Peptide Ac-ARTKQTARKSTGGKA-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-EQAPNLVYMVTGNPASDEIK^-OH
Peptide H-EQAPNLVYMVTGNPASDEIK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.NR-Box 2 Peptide
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolPeso molecular:1,574.9 g/molAla-Asp-Ser-Asp-Pro-Arg
CAS:Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolFórmula:C25H41N9O12Peso molecular:659.65 g/molH-R^FF-OH
Peptide H-R^FF-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.[Des-Arg9]-Bradykinin
CAS:Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolFórmula:C44H61N11O10Peso molecular:904.04 g/molH-SGRGKGGKGLGKGGAK-NH2
Peptide H-SGRGKGGKGLGKGGAK-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-I^LGGQE-OH
Peptide H-I^LGGQE-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-DLLDTASALYR^-OH
Peptide H-DLLDTASALYR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.HXB2 gag NO-17
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool
Peso molecular:1,707.9 g/molB2R (54-62)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolH-GENFTETDVK^-OH
Peptide H-GENFTETDVK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-SLGPALLLLQK^-OH
Peptide H-SLGPALLLLQK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-L^APITSDPTEATAVGAVEASFK-OH
Peptide H-L^APITSDPTEATAVGAVEASFK-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-LSYTQQMEDLK^-OH
Peptide H-LSYTQQMEDLK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-ELLESYIDGR^-OH
Peptide H-ELLESYIDGR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
ADSA-CFTR
Peptide ADSA-CFTR is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Ac-SYFTNMFATWSPSKARLHLQ-NH2
Peptide Ac-SYFTNMFATWSPSKARLHLQ-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-TFEERN-NH2
Peptide H-TFEERN-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-LVEAFGGATK^-OH
Peptide H-LVEAFGGATK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-LGGGVSMANAANIPSK^-OH
Peptide H-LGGGVSMANAANIPSK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-GPGGAWAAEVISNAR^-OH
Peptide H-GPGGAWAAEVISNAR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-RSGPPGLQGRLQRLLQASGNHAAGILTM-NH2
Peptide H-RSGPPGLQGRLQRLLQASGNHAAGILTM-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Biotin-LC-BimS BH3 (51-76) acid
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool
H-MGKLSKIWDLPL^DE-OH
Peptide H-MGKLSKIWDLPL^DE-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-SLVTGLWGK^-OH
Peptide H-SLVTGLWGK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-DR^VYIHPF-OH
Peptide H-DR^VYIHPF-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-DI^TP^TLTL^YVGK^-OH
Peptide H-DI^TP^TLTL^YVGK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-YTFELSR^-OH
Peptide H-YTFELSR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-LIYDSSLCDL^-OH
Peptide H-LIYDSSLCDL^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Fluor-LMKNMDPLNDNV-NH2
Peptide Fluor-LMKNMDPLNDNV-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
HXB2 gag NO-57
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolPeso molecular:1,571.7 g/molAc-YHPSAGDRFNRQRPC-NH2
Peptide Ac-YHPSAGDRFNRQRPC-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Protein Kinase A Substrate
Peptide Protein Kinase A Substrate is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Fórmula:C34H64N14O11Peso molecular:844.97 g/molH-TFRRRLSRATR-NH2
Peptide H-TFRRRLSRATR-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-FSVVYAK^-OH
Peptide H-FSVVYAK^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-VEAEVQIDR-OH
Peptide H-VEAEVQIDR-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-CNTATCATQR^-OH
Peptide H-CNTATCATQR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-VGLPINQR^-OH
Peptide H-VGLPINQR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Substance P (3-11)/Nona-Substance P
CAS:Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolFórmula:C52H79N13O11SPeso molecular:1,094.35 g/molGurmarin
CAS:Gurmarin is a polycyclic diterpene that can be found in the bark of the G. lucidum tree. It has been shown to bind to glutamate receptors, which are ion channels that allow ions such as calcium and sodium to pass through cell membranes. Gurmarin has been shown to activate these receptors in vitro, and knockout or over-expression of these receptors in cells can lead to changes in receptor activity. Gurmarin has also been shown to have specific binding affinity for a certain type of receptor cell, which are cells with cation channels that may be involved in taste perception. The receptor binding site on the gurmarin molecule is thought to correspond with the sweet taste sensation.Fórmula:C187H276N46O53S6Pureza:Min. 95%Peso molecular:4,208.95 g/molH-Ile-2-ClTrt-Resin (200-400 mesh) 1% DVB
H-Ile-2-ClTrt-Resin (200-400 mesh) 1% DVB is a resin for the synthesis of peptides. The resin is composed of the building blocks Ile, 2-chlorotrityl chloride and N,N'-Dibenzyloxycarbonyl (DBOC). It is used in the manufacture of peptides with amines, alcohols and thiols. This resin can be used in automated peptide synthesizers to produce peptides up to 400 amino acids long.Pureza:Min. 95%CMVpp65 - 34 (SAAERKHRHLPVADA)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolPeso molecular:1,657.9 g/molH-DRV^YIHPF-OH
Peptide H-DRV^YIHPF-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-ARV^YIHPF-OH
Peptide H-ARV^YIHPF-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-SLLQHLIGL-OH
Peptide H-SLLQHLIGL-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Azidohexyl-RLVSYNGIIFFLK-NH2
Peptide Azidohexyl-RLVSYNGIIFFLK-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Peso molecular:1,708.11 g/molH-NLHQPPLR^-OH
Peptide H-NLHQPPLR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-ALDAAYCFR^-OH
Peptide H-ALDAAYCFR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Growth hormone releasing protein-2
CAS:Please enquire for more information about Growth hormone releasing protein-2 including the price, delivery time and more detailed product information at the technical inquiry form on this pageFórmula:C45H55N9O6Pureza:Min. 95%Cor e Forma:PowderPeso molecular:817.98 g/molCMVpp65 - 30 (PLKMLNIPSINVHHY)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolPeso molecular:1,776.1 g/molProadrenomedullin (1-20) (human)
CAS:Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool
Fórmula:C112H178N36O27Peso molecular:2,460.87 g/molH-EEQYNSTYR^-OH
Peptide H-EEQYNSTYR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-KVLEYVIK^V-OH
Peptide H-KVLEYVIK^V-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
H-YLAEFATGNDR^-OH
Peptide H-YLAEFATGNDR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.Cys-Ala-Thr-Lys-Val-Asn(NGA2)-Phe-Thr-Glu-Ala-Gln-Lys-Ala-Ala-Leu-Asp-Val
Please enquire for more information about Cys-Ala-Thr-Lys-Val-Asn(NGA2)-Phe-Thr-Glu-Ala-Gln-Lys-Ala-Ala-Leu-Asp-Val including the price, delivery time and more detailed product information at the technical inquiry form on this pagePureza:Min. 95%Cor e Forma:PowderAF488 DBCO
CAS:AF488 DBCO is a water-soluble, green-fluorescent probe for copper-less detection of azide-tagged biomolecules. This probe is water-soluble and its fluorescence is pH independent over a wide pH range. The brightness and photostability of blue dyes are best suited to direct imaging of low-abundance targets.Fórmula:C39H28N4O11S2Pureza:Min. 95%Cor e Forma:PowderPeso molecular:792.8 g/molH-SALVLQYLR^-OH
Peptide H-SALVLQYLR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-LITVQVVPVAAR^-OH
Peptide H-LITVQVVPVAAR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.5Fam-FLPSDCFPSV-OH
Peptide 5Fam-FLPSDCFPSV-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-NAINNGVR^-OH
Peptide H-NAINNGVR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Melanoma-associated antigen C1 (1083-1091)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolGP120 - W61D - 57
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolPeso molecular:1,621.9 g/molH-GNDVAFHFNPR^-OH
Peptide H-GNDVAFHFNPR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
Ac-YGGFLRRQFKVVT-OH
Peptide Ac-YGGFLRRQFKVVT-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-NYTAPGGGQFTLPGR^-OH
Peptide H-NYTAPGGGQFTLPGR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.H-NQNTFLR^-OH
Peptide H-NQNTFLR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.CMVpp65 - 62 (TLGSDVEEDLTMTRN)
Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolPeso molecular:1,680.8 g/molH-RSLEINIDDQEQVC-NH2
Peptide H-RSLEINIDDQEQVC-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
β-Amyloid (17-42)
CAS:Custom research peptide; min purity 95%. For different specs please use the Peptide Quote ToolFórmula:C119H194N28O33S1Peso molecular:2,577.1 g/molLCBiot-GTAG-OH
Peptide LCBiot-GTAG-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.
