Product correctly added to cart.

  1. Home
  2. Chemical Compounds
  3. Reference Standards (CRS)
  4. Pharmaceutical Standards
  5. Active Pharmaceutical Ingredients (API) for research
  6. Active pharmaceutical ingredient (API) impurities for research
No image
No image

Active pharmaceutical ingredient (API) impurities for research

All products contained in this category are intended for laboratory use only, and are not meant for human consumption.

Read more
Sort by

See more categories

This search does not contain any category.

  • 20
    • 50
    • 100
    • 200

products per page. 4015 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
Haloperidol Related Compound B (4-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-1-(2-fluorophenyl)butan-1-one)
REF: 45-1303024CAS: 1391052-53-1 		- - -1,371.00 €Wed 04 Dec 24
Phthalic Acid
REF: 45-1535899CAS: 88-99-3 		- - -504.00 €Wed 04 Dec 24
Ketorolac Related Compound D (5-benzoyl-2,3-dihydro-1H-pyrrolizine)
REF: 45-1356348CAS: 113502-55-9 		- - -1,511.00 €Wed 04 Dec 24
Capecitabine Related Compound C (2',3'-O-carbonyl-5'-deoxy-5-fluoro-N4-(pentyloxycarbonyl)cytidine)
REF: 45-1090739CAS: 921769-65-5 		- - -1,511.00 €Wed 04 Dec 24
Latanoprost Related Compound B (Isopropyl (Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(3S)-3-hydroxy-5-phenylpentyl]cyclopentyl]-5-heptenoate)
REF: 45-1357497CAS: 145773-22-4 		- - -1,797.00 €Wed 04 Dec 24
Dronedarone Related Compound A (N-{2-Butyl-3-[4-(3-butylaminopropoxy)benzoyl]benzofuran-5-yl}methanesulfonamide, hydrochloride)
REF: 45-1228541CAS: 197431-02-0 		- - -1,477.00 €Wed 04 Dec 24
Exemestane Related Compound A (6-Methyleneandrosta-4-ene-3,17-dione)
REF: 45-1269061CAS: 19457-55-7 		- - -1,277.00 €Wed 04 Dec 24
Timolol Related Compound D (4-Morpholino-1,2,5-thiadiazol-3-ol)
REF: 45-1667369CAS: 30165-97-0 		- - -1,371.00 €Wed 04 Dec 24
Levalbuterol Related Compound A (4-(2-tert-Butylamino-ethyl)-2-hydroxymethyl-phenol)
REF: 45-1358795CAS: 1823256-56-9 		- - -1,552.00 €Wed 04 Dec 24
Dorzolamide Hydrochloride Related Compound A ((4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide-7,7-dioxide, monohydrochloride)
REF: 45-1225292CAS: 122028-36-8 		- - -1,552.00 €Wed 04 Dec 24
Salicylic Acid Related Compound A (4-hydroxybenzoic acid)
REF: 45-1609013CAS: 99-96-7 		- - -1,477.00 €Wed 04 Dec 24
Chloroquine Related Compound A (4,7-dichloroquinoline)
REF: 45-1118328CAS: 86-98-6 		- - -1,371.00 €Wed 04 Dec 24
Ciclopirox Related Compound B (6-Cyclohexyl-4-methyl-2-pyrone)
REF: 45-1134040CAS: 14818-35-0 		- - -1,371.00 €Wed 04 Dec 24
Paliperidone Related Compound C (3-(2-Chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one)
REF: 45-1491831CAS: 130049-82-0 		- - -1,441.00 €Wed 04 Dec 24
Clindamycin 2,3-Dipalmitate (Methyl 7-chloro-6,7,8-trideoxy-6-(1-methyl-trans-4-propyl-L-2-pyrrolidinecarboxamido)-1-thio-L-threo-α-D-galacto-octopyranoside 2,3-dipalmitate monohydrochloride)
REF: 45-1135892		- - -1,357.00 €Wed 04 Dec 24
Atazanavir Related Compound A ((S)-2-[(Methoxycarbonyl)amino]-3,3-dimethylbutanoic acid)
REF: 45-1044356CAS: 162537-11-3 		- - -1,371.00 €Wed 04 Dec 24
Trimipramine Related Compound A (3-(5H-Dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine)
REF: 45-1692710CAS: 315-69-5 		- - -960.00 €Wed 04 Dec 24
Proguanil Related Compound G (1-(3-chlorophenyl)-5-isopropylbiguanide hydrochloride)
REF: 45-1568095CAS: 1071546-52-5 		- - -865.00 €Wed 04 Dec 24
Famciclovir Related Compound C (4-(2-amino-9H-purin-9-yl)-2-methylbutyl acetate)
REF: 45-1269196CAS: 174155-70-5 		- - -1,292.00 €Wed 04 Dec 24
Phthalazine
REF: 45-1535959CAS: 253-52-1 		- - -1,308.00 €Wed 04 Dec 24
discount label
No image
+ info

Haloperidol Related Compound B (4-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-1-(2-fluorophenyl)butan-1-one)

CAS:1391052-53-1
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C21H23ClFNO2
Color and Shape:
White Off-White Powder
Molecular weight:
375.14013

Ref: 45-1303024

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Phthalic Acid

CAS:88-99-3
Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids etc not elsewhere specified or included
Formula:
C8H6O4
Color and Shape:
White Powder
Molecular weight:
166.02661

Ref: 45-1535899

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Ketorolac Related Compound D (5-benzoyl-2,3-dihydro-1H-pyrrolizine)

CAS:113502-55-9
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C14H13NO
Color and Shape:
White Light Brown Powder
Molecular weight:
211.09971

Ref: 45-1356348

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Capecitabine Related Compound C (2',3'-O-carbonyl-5'-deoxy-5-fluoro-N4-(pentyloxycarbonyl)cytidine)

CAS:921769-65-5
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C16H20FN3O7
Color and Shape:
White Powder
Molecular weight:
385.12853

Ref: 45-1090739

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Latanoprost Related Compound B (Isopropyl (Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(3S)-3-hydroxy-5-phenylpentyl]cyclopentyl]-5-heptenoate)

CAS:145773-22-4
Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues
Formula:
C26H40O5
Color and Shape:
Liquid
Molecular weight:
432.28757

Ref: 45-1357497

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Dronedarone Related Compound A (N-{2-Butyl-3-[4-(3-butylaminopropoxy)benzoyl]benzofuran-5-yl}methanesulfonamide, hydrochloride)

CAS:197431-02-0
Aromatic pesticides with oxygen hetero
Formula:
C27H36N2O5S·HCl
Color and Shape:
Powder
Molecular weight:
536.21117

Ref: 45-1228541

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Exemestane Related Compound A (6-Methyleneandrosta-4-ene-3,17-dione)

CAS:19457-55-7
Cyclanic, cyclenic or cycloterpenic ketones without oth
Formula:
C20H26O2
Color and Shape:
Powder
Molecular weight:
240.0

Ref: 45-1269061

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
Timolol Related Compound D (4-Morpholino-1,2,5-thiadiazol-3-ol)
+ info

Timolol Related Compound D (4-Morpholino-1,2,5-thiadiazol-3-ol)

CAS:30165-97-0
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C6H9N3O2S
Color and Shape:
Off-White Powder
Molecular weight:
187.04155

Ref: 45-1667369

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Levalbuterol Related Compound A (4-(2-tert-Butylamino-ethyl)-2-hydroxymethyl-phenol)

CAS:1823256-56-9
Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function
Formula:
C13H21NO2
Color and Shape:
Off-White Powder
Molecular weight:
223.15723

Ref: 45-1358795

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Dorzolamide Hydrochloride Related Compound A ((4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide-7,7-dioxide, monohydrochloride)

CAS:122028-36-8
Sulfonamides, nesoi
Formula:
C10H16N2O4S3·HCl
Color and Shape:
White Powder
Molecular weight:
324.02722

Ref: 45-1225292

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Salicylic Acid Related Compound A (4-hydroxybenzoic acid)

CAS:99-96-7
Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides etc …
Formula:
C7H6O3
Color and Shape:
White Powder
Molecular weight:
138.03169

Ref: 45-1609013

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Chloroquine Related Compound A (4,7-dichloroquinoline)

CAS:86-98-6
Compounds (excluding drugs and pesticides) containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) …
Formula:
C9H5Cl2N
Color and Shape:
Off-White Brownish Yellow Crystals
Molecular weight:
196.9799

Ref: 45-1118328

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Ciclopirox Related Compound B (6-Cyclohexyl-4-methyl-2-pyrone)

CAS:14818-35-0
Lactones nesoi
Formula:
C12H16O2
Color and Shape:
Yellow White Crystalline Powder
Molecular weight:
192.11503

Ref: 45-1134040

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Paliperidone Related Compound C (3-(2-Chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one)

CAS:130049-82-0
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C11H15ClN2O2
Color and Shape:
Off-White Crystalline Powder
Molecular weight:
242.08221

Ref: 45-1491831

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Clindamycin 2,3-Dipalmitate (Methyl 7-chloro-6,7,8-trideoxy-6-(1-methyl-trans-4-propyl-L-2-pyrrolidinecarboxamido)-1-thio-L-threo-α-D-galacto-octopyranoside 2,3-dipalmitate monohydrochloride)

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C50H93ClN2O7S·HCl
Color and Shape:
White Off-White Solid
Molecular weight:
936.61588

Ref: 45-1135892

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Atazanavir Related Compound A ((S)-2-[(Methoxycarbonyl)amino]-3,3-dimethylbutanoic acid)

CAS:162537-11-3
Acyclic amides (including acyclic carbamates) and their derivatives and salts thereof, nesoi
Formula:
C8H15NO4
Color and Shape:
Off-White White Powder Clumpy
Molecular weight:
189.10011

Ref: 45-1044356

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
Trimipramine Related Compound A (3-(5H-Dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine)
+ info

Trimipramine Related Compound A (3-(5H-Dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine)

CAS:315-69-5
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C20H24N2
Color and Shape:
Pale Yellow Solid
Molecular weight:
292.19395

Ref: 45-1692710

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Proguanil Related Compound G (1-(3-chlorophenyl)-5-isopropylbiguanide hydrochloride)

CAS:1071546-52-5
Aromatic imines and their derivatives, salts thereof
Formula:
C11H16ClN5·HCl
Color and Shape:
White Crystalline Powder
Molecular weight:
253.10942

Ref: 45-1568095

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Famciclovir Related Compound C (4-(2-amino-9H-purin-9-yl)-2-methylbutyl acetate)

CAS:174155-70-5
Compounds containing a pyrimidine ring (whether or not
Formula:
C12H17N5O2
Color and Shape:
White Light Yellow Powder
Molecular weight:
263.13822

Ref: 45-1269196

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
discount label
No image
+ info

Phthalazine

CAS:253-52-1
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C8H6N2
Color and Shape:
Light Yellow Powder
Molecular weight:
130.0531

Ref: 45-1535959

Estimated delivery in United States, on Wednesday 4 Dec 2024
+ info
Welcome to CymitQuimica!We use cookies to enhance your visit. We do not include advertising.

Please see our Cookies Policy for more details or adjust your preferences in "Settings".