API Impurities

API Impurities
Custom Synthesized Molecules
CRO Services
Identification, Isolation & Characterization of Unknown Impurities

CRO Services

GLP Pharma Standards.
API Impurities

API Impurities
Custom Synthesized Molecules
CRO Services
Identification, Isolation & Characterization of Unknown Impurities

CRO Services

GLP Pharma Standards.
API Impurities

API Impurities
Custom Synthesized Molecules
CRO Services
Identification, Isolation & Characterization of Unknown Impurities

CRO Services

GLP Pharma Standards.

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GLP Pharma Standards : The Most Trusted Source of High Quality API Impurities

GLP Pharma Standards is the leading provider of high-quality API Impurities, Nitroso Impurities, Drug working standards and Reference standards based in Hyderabad, India. GLP Pharma Standards also offer high-purity Catalysts, Peptides, Drug metabolites and Stable Isotope Labelled compounds. Our products are manufactured under strict quality control to meet the highest standards of purity and accuracy. We offer our products in custom pack sizes and competitive prices to suit the global pharma needs.

GLP Pharma Standards is a reliable manufacturer and supplier of quality pharma products, such as API Impurities, In-house Working Standards, Genotoxic Impurities and other Custom Synthesized Molecules. We help global drug manufacturers release their products with the highest quality, which will help the world become healthier. Thus, GLP Pharma Standards has earned a reputation as one of the most trusted sources of Pharmaceutical Impurities.

At GLP Pharma Standards, we excel at adapting to the changing regulations, customer demands and technological innovations that challenge the pharma industry.

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Recent Additions

Melphalan EP Impurity J

Melphalan EP Impurity J

CAS: 2724549-95-3

Glycopyrrolate Bromide Impurity I

Glycopyrrolate Bromide Impurity I

CAS: 1404453-68-4

Darunavir (3S,3aR,6aS)-Isomer

Darunavir (3S,3aR,6aS)-Isomer

CAS: 253265-98-4

Melphalan EP Impurity G

Melphalan EP Impurity G

CAS: NA

Darunavir Impurity A

Darunavir Impurity A

CAS: 169280-56-2

Atorvastatin Pyrrolidone Analog

Atorvastatin Pyrrolidone Analog

CAS: 148217-40-7 (Sodium Salt)

Pantoprazole EP Impurity E

Pantoprazole EP Impurity E

CAS: 2115779-15-0

Darunavir Enantiomer

Darunavir Enantiomer

CAS: 1399859-60-9

Didehydro glycopyrrolate

Didehydro glycopyrrolate

CAS: NA

Melphalan EP Impurity E

Melphalan EP Impurity E

CAS: NA

Atorvastatin Impurity O; 3-Oxo-Atorvastatin Calcium Salt

Atorvastatin Impurity O; 3-Oxo-Atorvastatin Calcium Salt

CAS: 887196-30-7 (Calcium Salt); 1391052-00-8 (Sodium Salt); 1391194-36-7 (free acid)

Darunavir (3R,3aR,6aS)-Isomer

Darunavir (3R,3aR,6aS)-Isomer

CAS: 799241-86-4

Darunavir (2S,3S)-Isomer

Darunavir (2S,3S)-Isomer

CAS: 192800-79-6

Ranitidine EP Impurity J

Ranitidine EP Impurity J

CAS: 1331637-48-9

Darunavir (2S,3R)-Isomer

Darunavir (2S,3R)-Isomer

CAS: 1402142-62-4

Darunavir (2R,3R)-Isomer

Darunavir (2R,3R)-Isomer

CAS: NA

Sitagliptin FP Impurity C

Sitagliptin FP Impurity C

CAS: 1803026-58-5

Sitagliptin FP Impurity D

Sitagliptin FP Impurity D

CAS: 1253056-18-6

Simvastatin EP Impurity D

Simvastatin EP Impurity D

CAS: 476305-24-5

Ondansetron EP Impurity B

Ondansetron EP Impurity B

CAS: 1076198-52-1

Bendamustine USP Related Compound D

Bendamustine USP Related Compound D

CAS: 1219709-86-0 (base); 1797881-48-1 (HCl)

Bendamustine USP Related Compound F

Bendamustine USP Related Compound F

CAS: 1869075-89-7

N-nitroso Mefenamic acid

N-nitroso Mefenamic acid

CAS: 2114-63-8

Carvedilol (R)-Isomer

Carvedilol (R)-Isomer

CAS: 95093-99-5

Vildagliptin Diketo Impurity

Vildagliptin Diketo Impurity

CAS: 1789703-36-1

Vildagliptin Mono Keto Impurity

Vildagliptin Mono Keto Impurity

CAS: 1789703-37-2 (free base); 2663700-61-4 (HCl)

Atorvastatin EP Impurity E

Atorvastatin EP Impurity E

CAS: 1428118-38-0 (Sodium); 501121-34-2 (Acid)

Atorvastatin FXA Impurity

Atorvastatin FXA Impurity

CAS: 1316291-19-6 (sodium salt); 873950-17-5 (acid)

Atorvastatin Pyrrolidone Lactone

Atorvastatin Pyrrolidone Lactone

CAS: 906552-19-0

Atorvastatin Pyrrolidone Methyl Ester

Atorvastatin Pyrrolidone Methyl Ester

CAS: 1795790-02-1

Bendamustine USP Related Compound G

Bendamustine USP Related Compound G

CAS: 191939-34-1 (base)

Lansoprazole Thioxo Impurity

Lansoprazole Thioxo Impurity

CAS: 1246819-06-6

Bisoprolol EP Impurity G

Bisoprolol EP Impurity G

CAS: 1215342-36-1

Desloratadine EP Impurity A

Desloratadine EP Impurity A

CAS: 298220-99-2

Darunavir (3S,3aS,6aR)-Isomer

Darunavir (3S,3aS,6aR)-Isomer

CAS: 799241-85-3

Loratadine EP Impurity E

Loratadine EP Impurity E

CAS: 170727-59-0

Montelukast Dihydro Impurity

Montelukast Dihydro Impurity

CAS: 142147-98-6 (sodium salt)

Montelukast EP Impurity D

Montelukast EP Impurity D

CAS: 1187586-61-3

Montelukast EP Impurity E

Montelukast EP Impurity E

CAS: 1187586-58-8

Montelukast EP Impurity F

Montelukast EP Impurity F

CAS: 937275-23-5

Quetiapine EP Impurity N

Quetiapine EP Impurity N

CAS: 1800291-86-4

Quinapril EP Impurity I

Quinapril EP Impurity I

CAS: 103775-09-3 (Free base); 89300-89-0 (Hcl)

Ranitidine EP Impurity E

Ranitidine EP Impurity E

CAS: 73857-20-2

Terbinafine EP Impurity E

Terbinafine EP Impurity E

CAS: 934365-23-8 (base)

Ketorolac EP Impurity D

Ketorolac EP Impurity D

CAS: 1391053-45-4

Dorzolamide EP Impurity A

Dorzolamide EP Impurity A

CAS: 120279-95-0 (base); 122028-36-8 (HCl salt)

Sitagliptin EP Impurity A

Sitagliptin EP Impurity A

CAS: 823817-58-9

Sitagliptin FP impurity A

Sitagliptin FP impurity A

CAS: 2088771-60-0

Domperidone EP Impurity D

Domperidone EP Impurity D

CAS: 1614255-34-3

Apixaban Chloro Impurity

Apixaban Chloro Impurity

CAS: 2029205-64-7

Imatinib EP Impurity D

Imatinib EP Impurity D

CAS: 1821122-73-9

Atorvastatin EP Impurity F (Ca Salt)

Atorvastatin EP Impurity F (Ca Salt)

CAS: 887196-24-9 (acid); 1105067-87-5 (calcium salt)

Bicyclo Risperidone Impurity

Bicyclo Risperidone Impurity

CAS: 2231638-02-9

Varenicline Dioxo Impurity

Varenicline Dioxo Impurity

CAS: 357424-07-8

Varenicline N,N-Dioxide

Varenicline N,N-Dioxide

CAS: 1337563-47-9

Vardenafil N-Oxide

Vardenafil N-Oxide

CAS: 448184-48-3

Atazanavir R,R,R,R Isomer

Atazanavir R,R,R,R Isomer

CAS: NA

Balsalazide Disodium Dihydrate

Balsalazide Disodium Dihydrate

CAS: 150399-21-6

Darunavir Isomer-2

Darunavir Isomer-2

CAS: 850141-19-4

Nirmatrelvir R-Cyano Isomer

Nirmatrelvir R-Cyano Isomer

CAS: 2755812-41-8

Eltrombopag N-Oxide

Eltrombopag N-Oxide

CAS: NA

N-Nitroso Dextromethorphan Ep Impurity A

N-Nitroso Dextromethorphan Ep Impurity A

CAS: NA

Palonosetron Related Compound D

Palonosetron Related Compound D

CAS: 135755-51-0 (HCl salt); 135729-73-6 (base)

Palonosetron Related Compound C

Palonosetron Related Compound C

CAS: 135729-76-9 (HCl); 149654-00-2 (Free base)

Ruxolitinib S-Isomer

Ruxolitinib S-Isomer

CAS: 941685-37-6

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