Pharmaceutical Standards
Pharmaceutical standards are a comprehensive set of reference materials essential for ensuring the safety, efficacy, and quality of pharmaceutical products. This category includes standards for active pharmaceutical ingredients (APIs), which are the core components responsible for therapeutic effects. Additionally, it covers compounds and metabolites relevant to both the pharmaceutical and veterinary industries, providing benchmarks for the accurate measurement and analysis of these substances. Nitrosamine control standards are crucial for detecting and mitigating potentially harmful nitrosamines in drug formulations. Toxicology standards help assess the safety and potential adverse effects of pharmaceutical compounds. Furthermore, enzyme activators and inhibitors standards are vital for research and development, enabling precise studies of biochemical pathways and drug mechanisms. These pharmaceutical standards are indispensable tools for regulatory compliance, quality control, and research, ensuring that pharmaceutical products meet stringent safety and effectiveness criteria.
Subcategories of "Pharmaceutical Standards"
- APIs for research and impurities(274,823 products)
- Enzyme Activators and Inhibitors(2,827 products)
- Nitrosamines(2,605 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,867 products)
- Toxicology(13,652 products)
Found 7836 products of "Pharmaceutical Standards"
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Cesium Carbonate
CAS:Controlled Product<p>Applications Cesium Carbonate is used in the preparation of prodrugs based upon phosphonooxymethyl as HIV-1 attachment inhibitors. Also used in the synthesis of dodecahedral nanocrystals as effective antibacterial agents.<br>References Leahy, D. et al.: Org. Proc. Res. Dev., 17, 1440 (2013); He, J. et al.: Dalton Trans., 42, 15637 (2013);<br></p>Formula:Cs2CO3Color and Shape:White To Off-WhiteMolecular weight:325.82(-)-trans-Verbenol
CAS:Controlled Product<p>Applications (-)-trans-Verbenol is obtained in essential oil extracted from leaves of Teucrium capitatum L.It exhibits antimicrobial properties<br>References El Amri, J., et al.: Asian J. Pharm. Clinical Res., 10, 112 (2017)<br></p>Formula:C10H16OColor and Shape:NeatMolecular weight:152.233Sodium 2-Nitrophenolate
CAS:<p>Applications Sodium 2-nitrophenolate (cas# 824-39-5) is a useful research chemical.<br></p>Formula:C6H4NO3·NaColor and Shape:NeatMolecular weight:161.094-Hydroxy-3-nitrophenylacetic Acid
CAS:Controlled Product<p>Applications A metabolite of Nitrotyrosine (N597000), which is excreted in the urine.<br>References van der Vliet, A., et al.: J. Biol. Chem., 272, 7617 (1997), Tabrizi-Fard, M., et al.: Drug Metab. Dispos., 27, 429 (1999), Souza, J., et al.: Arch. Biochem. Biophys., 380, 360 (2000),<br></p>Formula:C8H7NO5Color and Shape:NeatMolecular weight:197.14Kinetin
CAS:Controlled Product<p>Applications A cell division factor found in various plant parts and in yeast. A plant growth regulator. Augments growth of microbial cultures.<br>References Fry, D.W., et al.: Science, 265, 1093 (1994), Vesely, J., et al.: Eur. J. Biochem., 224, 771 (1994),<br></p>Formula:C10H9N5OColor and Shape:White To Off-WhiteMolecular weight:215.214-Aminoacetophenone-13C
CAS:Controlled ProductFormula:CC7H9NOColor and Shape:NeatMolecular weight:136.156Formic Acid, 97+%
CAS:Controlled Product<p>Stability Volatile<br>Applications Formic Acid is used as a potential energy source in the preparation of fuel cells. Also used in chemical synthesis of various anti-inflammatory and anti-microbial agents.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Yu, X. et al.: J. Power Source., 182, 124 (2008); Bekhit, A. et al.: Bioorg. Med. Chem., 12, 1935 (2004);<br></p>Formula:CH2O2Purity:97%Color and Shape:ColourlessMolecular weight:46.032,2'-Thiodiacetic Acid
CAS:Controlled Product<p>Applications 2,2'-Thiodiacetic Acid is a highly flexible ligand used in the synthesis of a series of metal complexes.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Hou, X., et al.: Chin. J. Struct. Chem., 32, 1339 (2013); Wu, X.X., et al.: Synth. React. Inorg. Me., 44, 486 (2014); Ma, C., et al.: J. Inorg. Organomet. P., 22, 1206 (2012)<br></p>Formula:C4H6O4SColor and Shape:NeatMolecular weight:150.158-((4-Amino-3-nitrophenyl)diazenyl)-7-hydroxy-N,N,N-trimethylnaphthalen-2-aminium Chloride (Technical Grade)
CAS:Controlled Product<p>Stability Light Sensitive<br>Applications 8-((4-Amino-2-nitrophenyl)diazenyl)-7-hydroxy-N,N,N-trimethylnaphthalen-2-aminium Chloride is used in the preparation of hair dyes and color intensifiers in cosmetics.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Moeller, H., Oberkobusch, D.: Ger. Offen. (2003), DE 10148841 A1 20030410<br></p>Formula:C19H20N5O3·ClColor and Shape:NeatMolecular weight:366.39 + 35.45Indoleacetic Acid-13C6
CAS:Controlled Product<p>Applications Labelled Indoleacetic Acid (I577343) has the potential to be used in anti-cancer therapy in conjunction with horseradish peroxidase (HRP).<br>References Kawano, T. et al.: Gen. Hypo. 60, 664 (2003);<br></p>Formula:C6C4H9NO2Color and Shape:NeatMolecular weight:181.144-(3-Bromo-4-oxobutyl)benzoic Acid Methyl Ester
CAS:Controlled Product<p>Applications 4-(3-Bromo-4-oxobutyl)benzoic Acid Methyl Ester is used as a reagent in the synthesis of furoxanoxyalkyl esters of pemetrexed as antifolates and nitric oxide donors for use as anticancer agents and their activities against four human cancer cell lines.<br>References Min, T., et al.: Med. Chem. Res., 18, 495 (2009); Barnett, C.J., et al.: Org. Process Res. Dev., 3, 184 (1999)<br></p>Formula:C12H13BrO3Color and Shape:NeatMolecular weight:285.13Chloromethyl Isopropyl Carbonate
CAS:Controlled Product<p>Stability Moisture sensitive<br>Applications Chloromethyl Isopropyl Carbonate is an antiviral agent and a Tenofovir (T018500) intermediate. Tenofovir is an acyclic phosphonate nucleotide analogue and reverse transcriptase inhibitor used as an anti-HIV agent.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Mackman, R., et al.: Bioorg. Med. Chem., 15, 5519 (2007), Baudy, R., et al.: J. Med. Chem., 52, 771 (2009),<br></p>Formula:C5H9ClO3Color and Shape:NeatMolecular weight:152.58Denatonium Chloride
CAS:Controlled Product<p>Applications Denatonium Chloride is used to identify ligands for two human bitter T2R taste receptors.<br>References Pronin, A., et al.: Chem. Senses, 29, 583 (2004); Caicedo, A., et al.: Sci., 291, 1557 (2001);<br></p>Formula:C21H29ClN2OColor and Shape:NeatMolecular weight:360.92o-tert-Butyl-p-cresol
CAS:Controlled Product<p>Applications o-tert-Butyl-p-cresol, is a versatile buidling bloch used in the various chemical synthesis. It is used in the synthesis of 2-t-butyl-p-cresol amide derivatives, having the antibacterial and antifouling properties.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Zhang, Z. et al.: Tuliao Gongye, 42, 20 (2012);<br></p>Formula:C11H16OColor and Shape:NeatMolecular weight:164.24(4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)
CAS:Controlled Product<p>Applications A metabolite of (-)-Epicatechin (E582260).<br>References Li, C. et al.: Chem. Res. Tox., 14, 702 (2001);<br></p>Formula:C11H12O4Color and Shape:NeatMolecular weight:208.211-(3',4'-Dimethoxyphenyl)-1-propanol
CAS:Controlled Product<p>Applications 1-(3',4'-Dimethoxyphenyl)-1-propanol (cas# 10548-83-1) is a compound useful in organic synthesis.<br></p>Formula:C11H16O3Color and Shape:NeatMolecular weight:196.242'-Nitroacetophenone
CAS:Controlled Product<p>Applications 2'-Nitroacetophenone (cas# 577-59-3) is a compound useful in organic synthesis.<br></p>Formula:C8H7NO3Color and Shape:NeatMolecular weight:165.15Naphthalene-d8
CAS:Controlled Product<p>Applications Naphthalene-d8, is the labeled analogue of Naphthalene, a polycyclic aromatic hydrocarbons as micropollutants.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Di Toro, D., et al.: Environ. Toxicol. Chem., 19, 1971 (2000), Vines, C., et al.: Aquat. Toxicol., 51, 225 (2000), Incardona, J., et al.: Toxicol. Appl. Pharmacol., 196, 191 (2004), Junghans, M., et al.: Aquat. Toxicol., 76, 93 (2006),<br></p>Formula:C10D8Color and Shape:WhiteMolecular weight:136.223-Iodothyroacetic Acid
CAS:Controlled Product<p>Stability Hygroscopic<br>Applications 3-Iodothyronacetic Acid is a 3-Iodothyronamine metabolite that has functional effects in FRTL-5 thyroid cells.<br>References Agretti, P. et al.: J. Mol. Endocrinol., 47, 23 (2011);<br></p>Formula:C14H11IO4Color and Shape:NeatMolecular weight:370.1394-(4’-Hydroxyphenyl)-2-butanone-d5
CAS:Controlled Product<p>Applications The primary aroma compound of red raspberries, used in perfume compositions, shampoos, cosmetics and as a food additive.<br>References Aggarwal, S., et al.: Mol. Pharmacol., 69, 195 (2006), Beekwilder, J., et al.: Biotechnol. J., 2, 1270 (2007), Akiyama, M., et al.: J. Food Sci., 72, C388 (2007),<br></p>Formula:C10H7D5O2Color and Shape:NeatMolecular weight:169.238-Oxo-2’-deoxyguanosine-13C,15N2
CAS:Controlled Product<p>Applications A marker compound indicative of DNA damage associated with mutagenesis and carcinogenesis. Can induce differentiation of Friend murine erythroleukemia cells in vitro.<br>References Ueda, T., et al.: Chem. Pharm. Bull., 26, 2122 (1978), Jiang, F., et al.: Nature, 183, 382 (1996),<br></p>Formula:C913CH13N315N2O5Color and Shape:NeatMolecular weight:286.22Isoxanthopterin
CAS:Controlled Product<p>Applications Isoxanthopterin is a metabolite found in brown rice.<br>References Wang, C., et al.: J. Sci. Food Agric., 100, 4364 (2020)<br></p>Formula:C6H5N5O2Color and Shape:NeatMolecular weight:179.144-Nitrophenol Sodium Salt Dihydrate
CAS:Controlled ProductFormula:C6H4NNaO3·2(H2O)Color and Shape:NeatMolecular weight:161.09 + 2(18.02)Sodium Chlorite (Technical Grade)
CAS:<p>Applications Sodium Chlorite is used as a bleaching agent for cotton textiles.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Shenai, V.A., Pai, S.M.: Textile Dyer Printer, 3, 153 (1969)<br></p>Formula:ClO2·NaColor and Shape:NeatMolecular weight:90.4416Coproporphyrin III Dihydrochloride
CAS:<p>Applications Coproporphyrin III can be used as a biomarker for environmental toxicity and susceptibility in autism.<br>References Geier, D. A., et al.: J. of the Neuro. Sci., 280(1-2), 101-108 (2009)<br></p>Formula:C36H38N4O8·2Cl2HColor and Shape:NeatMolecular weight:727.63O,O-Dimethyl-d6 Dithiophosphate Ammonium Salt
CAS:Controlled Product<p>Applications O,O-Dimethyl-d6 Dithiophosphate is the isotope labelled analog of O,O-Dimethyl Dithiophosphate (3, an dimethyl phosphorodithiolate derivatives used as insecticides.<br></p>Formula:C2H4D6NO2PS2Color and Shape:Off-White To Light YellowMolecular weight:181.25N-Methyl-N-nitroso Urea (Wetted with water >20%)
CAS:Controlled Product<p>Stability Temperature Sensitive<br>Applications Precursor of Diazomethane. It has a cytotoxicity effect.This product contains an undetermined amount of water.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Huggins, C., et al.: J. Exp. Med., 131, 321 (1970), Gullino, P.M., et al.: J. Natl. Cancer Inst., 54, 401 (1975),<br></p>Formula:C2H5N3O2Color and Shape:Off-White To Light BeigeMolecular weight:103.08Guanosine-13C5 5'-Monophosphate
CAS:Controlled Product<p>Applications Guanosine-13C5 5’-Monophosphate is an isotope labelled version of Guanosine 5’-Monophosphate (G844708), a nucleotide with an umami taste.<br>References Charve, Josephine, et al.: J. of Agric. and Food Chem., 66(8), 1863-1871 (2018)<br></p>Formula:C513C5H14N5O8PColor and Shape:White To Light YellowMolecular weight:368.184-Nitrophenyl Propionate
CAS:Controlled Product<p>Applications 4-Nitrophenyl propionate (cas# 1956-06-05) is a useful research chemical.<br></p>Formula:C9H9NO4Color and Shape:NeatMolecular weight:195.172Desisopropyl Atrazine-d5
CAS:Controlled Product<p>Applications A labelled metabolite of Atrazine (ATR) (A794600).<br>References Compton, D., et al.: Eur. J. Pharmacol., 110, 157 (1985), Das, P., et al.: Toxicol. Sci., 59, 127 (2001), Das, P., et al.: Life Sci., 73, 3123 (2003), Coban, A., et al.: J. Neurochem., 100, 1177 (2007),<br></p>Formula:C52H5H3ClN5Color and Shape:Off-WhiteMolecular weight:178.63Cetylpyridinium Chloride Monohydrate
CAS:Controlled Product<p>Applications Cetylpyridinium chloride monohydrate is used to study the mechanisms of bacterial and virus inactivation by cationic quaternary ammonium detergents.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>Formula:C21H38N·Cl·H2OColor and Shape:Off-WhiteMolecular weight:358.00trans Resveratrol 3-O-β-D-glucopyranoside, 98%
CAS:<p>Applications A Stilbenoid glucoside and is a major Resveratrol derivative.<br>References Jeong, E., et al.: Arch. Pharm. Res., 33, 1331 (2010), Larrosa, M., et al.: J. Med. Chem., 53, 7365 (2010), Nguyen, T., et al.: Food Chem., 124, 437 (2010),<br></p>Formula:C20H22O8Purity:98%Color and Shape:NeatMolecular weight:390.38Adenosine 5'-Monophosphomorpholidate 4-Morpholine-N,N'-dicyclohexylcarboxamidine salt
CAS:Controlled Product<p>Applications Adenosine 5'-Monophosphomorpholidate 4-Morpholine-N,N'-dicyclohexylcarboxamidine salt is an intermediate in the synthesis of Flavine Adenine Dinucleotide.<br>References Ravalico, F., et al.: Org. Biomolec. Chem., 9, 6496 (2011);<br></p>Formula:C17H32N3O·C14H20N6O7PColor and Shape:NeatMolecular weight:709.77JHSB3 , approximately 80%
CAS:Controlled Product<p>Applications JHSB3 is an acyclic sesquiterpenoid that regulates many aspects of insect physiology. Juvenile Hormone regulate development, reproduction, diapause, and polyphenisms.<br>References Kotaki, T., et al.: Org. Let., 11, 5234 (2009); Riddiford, L.: Adv. Insect Physiol., 24, 213 (1994); Wyatt, G., Davey, K.: Adv. Insect Physiol., 26, 1 (1996); Nijhout, H.: Insect Hormones (Princeton Univ. Press, Princeton) (1994)<br></p>Formula:C16H26O4Purity:80%Color and Shape:NeatMolecular weight:282.38Diazolidinyl Urea (Technical Grade)
CAS:Controlled Product<p>Stability Hygroscopic<br>Applications Diazolidinyl urea is an antimicrobial agent.<br></p>Formula:C8H14N4O7Color and Shape:White To Off-WhiteMolecular weight:278.22N-Fmoc-L-tyrosine Benzyl Ester
CAS:Controlled Product<p>Applications N-Fmoc-L-tyrosine Benzyl Ester is used to synthesize truncated analogues of preptin-(1-16) as possible osteoblast proliferation stimulant. It is also an intermediate used to prepare phosphotyrosinyl phosphoramidite derivatives useful in the incorporation of multiple reporter groups on synthetic oligonucleotides.<br>References Kowalczyk, R., et al.: Bioorg. Med. Chem., 22, 3565 (2014); Misiura, K., et al.: Nucl. Acids Res., 18, 4345 (1990)<br></p>Formula:C31H27NO5Color and Shape:NeatMolecular weight:493.55Iso Cytosine
CAS:Controlled Product<p>Applications A useful intermediate for chemical modifications of base and sugar moieties in natural nucleosides.<br>References Sashaki, T., et al.: J. Org. Chem., 40(1), 106 (1975)<br></p>Formula:C4H5N3OColor and Shape:NeatMolecular weight:111.10Perfluoro-octylethanoic Acid
CAS:<p>Stability Hygroscopic<br>Applications Perfluoro-octylethanoic Acid is an intermediate in the synthesis of Tetrabutylphosphonium 2H,2H-Perfluorodecanoate which is derived from 1,1,2,2-Tetrahydroperfluorodecanol (T294300), which is applied to the formation of a barrier and self-healing coating on zinc metal materials. This compound has also been seen to induce cell death and formation of oxidative or reactive oxygen species in cerebellar granule cells.<br>References Yabuki, A. et al.: Mat. Corr., 60, 444 (2009); Reistad, T. et al.: Toxicol. Lett., 218, 56 (2013);<br></p>Formula:C10H3F17O2Color and Shape:White To Off-WhiteMolecular weight:478.10Isopilocarpic Acid Sodium Salt
CAS:Controlled Product<p>Impurity Pilocarpine Hydrochloride EP Impurity C<br>Stability Hygroscopic<br>Applications Isopilocarpic Acid is a degradation product of Pilocarpine (P441500).<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Szepesi, G. et al.: Pharmazie, 38, 94 (1983); Bundgaard, H. et al.: Int. J. Pharmac., 10, 281 (1982);<br></p>Formula:C11H17N2O3·NaColor and Shape:WhiteMolecular weight:248.252-Methylnaphthalene-D10
CAS:Controlled Product<p>Applications 2-Methylnaphthalene-D10 is a labelled analogue of 2-Methylnaphthalene (M323130). 2-Methylnaphthalene is a polycyclic aromatic hydrocarbon (PAH) that has been used as an indicator of smoke exposure in food and packaging materials.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Johnston, J.J., et. al.: J. Agr. Food Chem., 42, 1954 (1994)<br></p>Formula:C112H10Color and Shape:NeatMolecular weight:152.268-anti-Ipratropium Bromide
CAS:Controlled Product<p>Impurity Ipratropium EP Impurity B<br>Applications 8-anti-Ipratropium Bromide (Ipratropium EP Impurity B) is a related compound to Ipratropium Bromide (I740500), nonselective muscarinic acetylcholine receptor antagonist; bronchodilator.<br>References Groeben, H., et al.: Anesthesiology, 85, 867 (1996), Haddad, et al.: Br. J. Pharmacol., 127, 413 (1999), Barnes, P. J., et al.: Chest, 117, 63S (2000),<br></p>Formula:C20H30NO3·BrColor and Shape:NeatMolecular weight:412.363-(4-Chlorophenyl)glutaric Anhydride
CAS:Controlled Product<p>Stability Moisture Sensitive<br>Applications 3-(4-Chlorophenyl)glutaric Anhydride (cas# 53911-68-5) is a compound useful in organic synthesis.<br></p>Formula:C11H9ClO3Color and Shape:Off-WhiteMolecular weight:224.64N2'-Deacetyl-N2'-[3-[(1-ethyl-2,5-dioxo-3-pyrrolidinyl)thio]-1-oxopropyl]-maytansine-d5
CAS:Controlled Product<p>Applications N2'-Deacetyl-N2'-[3-[(1-ethyl-2,5-dioxo-3-pyrrolidinyl)thio]-1-oxopropyl]-maytansine-d5 is labelled N2'-Deacetyl-N2'-[3-[(1-ethyl-2,5-dioxo-3-pyrrolidinyl)thio]-1-oxopropyl]-maytansine (D199030), a derivative of Mertansine (M257800) which is a cytotoxic agent. It is used as the cytotoxic component in antibody-drug conjugates.<br>References Erickson, H., et al.: Cancer Res., 66, 4426 (2006); Kellogg, B., et al.: Bioconjugate Chem., 22, 717 (2011)<br></p>Formula:C41D5H50ClN4O12SColor and Shape:White To Off-WhiteMolecular weight:868.4449-Nitroanthracene-d9
CAS:Controlled Product<p>Applications 9-Nitroanthracene-d9 (CAS# 220381-38-4) is a useful isotopically labelled research compound. It could be useful for analytical studies that involve detecting nitrated polycyclic aromatic hydrocarbons.<br>References Siegmund, B., et al.: Anal. Bioanal. Chem., 375, 175 (2003)<br></p>Formula:C14D9NO2Color and Shape:NeatMolecular weight:232.29Acetophenone-13C6
CAS:Controlled Product<p>Applications Acetophenone-13C6 is an intermediate in synthesizing Ibuprofen-13C6 (I140003), a labelled Ibuprofen. It is a selective cyclooxygenase inhibitor (IC50=14.9uM). Inhibits PGH synthase-1 and PGH synthase-2 with comparable potency.<br>References Busson, M., et al.: J. Int. Med Res., 14, 53 (1986); Meade, E.A., et al.: J. Biol. Chem., 268, 6610 (1993); Davies, N.M., et al.: Clin. Pharmacokinet., 34, 101 (1998)<br></p>Formula:C213C6H8OColor and Shape:NeatMolecular weight:126.1Biphenyl-3,3'-dicarboxylic acid
CAS:Controlled Product<p>Applications Biphenyl-3,3'-dicarboxylic acid<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>Formula:C14H10O4Color and Shape:NeatMolecular weight:242.23Desacetyl Rifampicin Quinone
CAS:Controlled Product<p>Stability Hygroscopic<br>Applications Desacetyl Rifampicin Quinone is an impurity of Rifampicin (R508000).<br>References Wilson, W.L. et al.: J. Chrom., 144, 270 (1977);<br></p>Formula:C41H54N4O11Color and Shape:NeatMolecular weight:778.892-Phenylbutyrylurea
CAS:<p>Applications 2-Phenylbutyrylurea is used in the synthesis and discovery of novel trypanosomicidal drug-like compounds which is useful in the treatment of diseases. A degradation product of Phenobarbitol (P316760).<br>References Castillo-Garit, J. et al.; Eur. J. Med. Chem., 46, 3324 (2011);<br></p>Formula:C11H14N2O2Color and Shape:NeatMolecular weight:206.24Betaine-d3 Hydrochloride
CAS:Controlled Product<p>Applications Betaine-d3 Hydrochloride is a useful gastric acidifier.<br>References Wilcken, D.E., et al.: N. Engl. J. Med., 309, 448 (1983),<br></p>Formula:C52H3H9NO2·ClColor and Shape:White To Off-WhiteMolecular weight:156.63
![N2'-Deacetyl-N2'-[3-[(1-ethyl-2,5-dioxo-3-pyrrolidinyl)thio]-1-oxopropyl]-maytansine-d5](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2FTR%2Fthumb-webp%2FD199032.webp&w=3840&q=75)
