Impurities

Impurities are undesirable chemical components that remain in the active pharmaceutical ingredient during formulation. Impurities may reduce a product's efficacy.

Eltrombopag Impurity 51

CAS Number

2973405-47-7

Eltrombopag

Ceftazidime Standard

CAS Number

72558-82-8

Alternate CAS Number

78439-06-2 (pentahydrate)

Ceftazidime

2-(3,4-Dimethylphenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one

CAS Number

18048-64-1

Alternate CAS Number

2360824-89-9 (HCl salt)

Eltrombopag

N-Didesmethyl Cariprazine

CAS Number

839712-25-3

Cariprazine

Cilastatin Standard

CAS Number

82009-34-5

Alternate CAS Number

81129-83-1 (Na salt)

Cilastatin

Clemastine Standard

CAS Number

15686-51-8

Alternate CAS Number

14976-57-9 (Clemastine Fumarate)

Clemastine

Benazepril Standard

CAS Number

86541-75-5

Alternate CAS Number

86541-74-4(HCl Salt)

Benazepril

Clozapine Standard

CAS Number

5786-21-0

Clozapine

Clobetasol propionate

CAS Number

25122-46-7

Clobetasol propionate

Colistimethate sodium

CAS Number

8068-28-8

Colistimethate sodium

Dipivefrine Standard

CAS Number

52365-63-6

Alternate CAS Number

64019-93-8(HCl Salt)

Dipivefrine

Quetiapine EP Impurity J

CAS Number

1356906-17-6

Alternate CAS Number

1825392-15-1 (2HCl salt) ; 2470243-24-2 (Fumarate Salt)

Quetiapine

Nandrolone Standard

CAS Number

434-22-0

Nandrolone

2-(3,4-Dimethylphenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one

CAS Number

18048-64-1

Chemical Primary Standard

Benzalkonium chloride Standard

CAS Number

8001-54-5

Benzalkonium chloride

Benzylpenicillin Clemizol Salt Standard

CAS Number

6011-39-8

Alternate CAS Number

61-33-6(Freebase); 69-57-8(Na Salt); 113-98-4(Potassium Salt)

Benzylpenicillin

Calcium folinate standard

CAS Number

1492-18-8

Alternate CAS Number

6035-45-6(Ca Pentahydrate Salt)

Calcium folinate

Carteolol Standard

CAS Number

51781-06-7

Alternate CAS Number

51781-21-6(HCl Salt)

Carteolol

Ceftazidime Standard

CAS Number

72558-82-8

Alternate CAS Number

78439-06-2 (pentahydrate)

Ceftazidime

Ceftazidime Pentahydrate Standard

CAS Number

78439-06-2

Ceftazidime

Chlorhexidine Standard

CAS Number

55-56-1

Alternate CAS Number

56-95-1(Diacetate Salt);3697-42-5(DiHCl Salt);18472-51-0(Digluconate Salt)

Chlorhexidine

Elagolix Sodium

CAS Number

832720-36-2

Alternate CAS Number

834153-87-6 (free base) ; 2390005-65-7 (HCl salt) ; 2254609-59-9 (K salt) ; 2390005-66-8 (TFA salt)

Elagolix

Elagolix Standard

CAS Number

834153-87-6

Alternate CAS Number

832720-36-2(Na salt);2390005-65-7 (HCl salt) ; 2254609-59-9 (K salt) ; 2390005-66-8 (TFA salt)

Elagolix

Elagolix Impurity 3

CAS Number

Elagolix

Elagolix Impurity 8

CAS Number

832720-84-0

Alternate CAS Number

1150560-46-5(HCl salt)

Elagolix

2-Fluoro-6-(trifluoromethyl)benzylamine

CAS Number

239087-06-0

Elagolix

Elagolix Dialkylated Impurity

CAS Number

2409132-60-9

Elagolix

Elagolix Lactam Impurity

CAS Number

2248628-93-3

Elagolix

Desbutyrate Elagolix

CAS Number

830346-50-4

Elagolix

Elagolix Impurity 1

CAS Number

1092070-97-7

Elagolix

Elagolix Nitroso Impurity

CAS Number

Elagolix

N-Nitroso Elagolix Impurity 1

CAS Number

Elagolix

N-Nitroso Elagolix Impurity 2

CAS Number

Elagolix

Elagolix Ethyl Ester Nitroso Impurity

CAS Number

Elagolix

Desbutyrate Elagolix (S-Isomer)

CAS Number

2756307-50-1

Elagolix

N-Boc Desbutyrate Elagolix

CAS Number

830346-51-5

Elagolix

2,3,4,5-Tetrahydro-1H-1,5-methanobenzo[d]azepine Hydrochloride

CAS Number

230615-52-8

Chemical Primary Standard

Bortezomib Acid Analog

CAS Number

114457-94-2

Alternate CAS Number

1093959-79-5(Magnesium Salt);1093959-75-1(Sodium - Salt)

Bortezomib

Bortezomib R,R-Isomer Impurity

CAS Number

1132709-15-9

Bortezomib

Bortezomib Diastereomer (S,S)

CAS Number

1132709-14-8

Bortezomib

Desisobutyl-n-butyl Bortezomib

CAS Number

1104011-35-9

Bortezomib

Bortezomib Impurity A

CAS Number

289472-80-6

Bortezomib

Bortezomib Impurity F

CAS Number

73058-37-4

Bortezomib

Bortezomib Impurity G

CAS Number

289472-81-7

Bortezomib

Bortezomib R-Hydroperoxide

CAS Number

886979-78-8

Bortezomib

Bortezomib S-Hydroperoxide

CAS Number

886979-81-3

Bortezomib

Bortezomib Impurity 4

CAS Number

862894-96-0

Bortezomib

Bortezomib Impurity 9

CAS Number

1194235-41-0

Bortezomib

Impurities

Head Office Address