Pharmaceutical Standards

Pharmaceutical standards are guidelines and regulations that govern the quality and safety of pharmaceutical products and manufacturing processes.

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Pazopanib Desmethyl Impurity

CAS Number

1252927-47-1

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Pazopanib Chloro Impurity

CAS Number

444731-75-3

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Pazopanib Pyrimidine Impurity

CAS Number

444731-74-2

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2,3-Dimethyl-2H-indazol-6-amine

CAS Number

444731-72-0

Alternate CAS Number

635702-60-2(Hcl)

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N-(2-Methoxypyrimidin-4-yl)-2,3-dimethyl-2H-indazol-6-amine

CAS Number

2369664-16-2

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Lorazepam EP Impurity A

CAS Number

2958-36-3

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Lorazepam EP Impurity B

CAS Number

2848-96-6

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Lorazepam EP Impurity C

CAS Number

2955-37-5

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Lorazepam EP Impurity D

CAS Number

54699-91-1

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Lorazepam EP Impurity E

CAS Number

93955-15-8

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2-Quinazolinecarboxylic acid, 6-chloro-4-(2-chlorophenyl)

CAS Number

54643-79-7

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Lorazepam USP Related Compound E

CAS Number

773871-49-1

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Nirmatrelvir Standard

CAS Number

2628280-40-8

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Nirmatrelvir Impurity 34

CAS Number

2755812-45-2

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Nirmatrelvir Impurity 35

CAS Number

NA

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Nirmatrelvir Impurity B

CAS Number

2755812-81-6

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Nirmatrelvir Methyl Ester

CAS Number

2879641-46-8

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Metopimazine Standard

CAS Number

14008-44-7

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Metopimazine Sulfoxide

CAS Number

18181-99-2

N-Isopropyl Carvedilol

CAS Number

1246819-01-1

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Levofloxacin-EP-Impurity-A

CAS Number

100986-86-5

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Osimertinib Standard

CAS Number

1421373-65-0

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Osimertinib Mesylate

CAS Number

1421373-66-1

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N-Acryloyl Osimertinib

CAS Number

1932710-29-6

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Osimertinib Acetyl Impurity

CAS Number

2227103-37-7

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Osimertinib Amine Impurity

CAS Number

1421372-66-8

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Osimertinib Impurity 9

CAS Number

1421373-36-5

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Osimertinib Impurity A

CAS Number

1421373-98-9

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Osimertinib Impurity G

CAS Number

2044702-39-6

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Osimertinib Impurity I

CAS Number

1801616-92-1

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Osimertinib Impurity J

CAS Number

1820891-36-8

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Gemcitabine Standard

CAS Number

95058-81-4

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Gemcitabine Hydrochloride

CAS Number

122111-03-9

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Gemcitabine EP Impurity B

CAS Number

95058-85-8

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Ketotifen Fumarate EP Impurity B

CAS Number

59743-88-3

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Ketotifen Fumarate EP Impurity C

CAS Number

126939-27-3

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Ketotifen Fumarate EP Impurity D

CAS Number

88456-70-6

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Ketotifen Fumarate EP Impurity E

CAS Number

1346603-71-1

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Ketotifen Fumarate EP Impurity F

CAS Number

34580-09-1

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Ketotifen Fumarate EP Impurity G

CAS Number

43076-16-0

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Ketotifen Impurity 2

CAS Number

5570-77-4

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Lapatinib Standard

CAS Number

231277-92-2

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Lapatinib Impurity 1

CAS Number

1268997-70-1

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Lapatinib Impurity 4

CAS Number

320337-48-2

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Lapatinib Formyl Impurity

CAS Number

231278-84-5

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Lapatinib Deschloro Impurity

CAS Number

633370-23-7

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Lapatinib 4-Fluoro Analog

CAS Number

1026818-86-9

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Lapatinib Carboxylic Acid Impurity

CAS Number

1152131-73-1