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Products

LEVOTHYROXINE EP IMPURITY D | T4-ACETIC ACID (USP)
LEVOTHYROXINE EP IMPURITY D | T4-ACETIC ACID (USP)

CAT No: ALL-LEV-D

Chemical Name: [4-(4-Hydroxy-3,5-di...

Molecular Formula: C14H8I4O4

Molecular Weight: 747.83

CAS Number: 67-30-1

LEVOTHYROXINE EP IMPURITY C | T3-ACETIC ACID (USP)
LEVOTHYROXINE EP IMPURITY C | T3-ACETIC ACID (USP)

CAT No: ALL-LEV-C

Chemical Name: [4-(4-Hydroxy-3-iod...

Molecular Formula: C14H9I3O4

Molecular Weight: 621.93

CAS Number: 51-24-1

LEVOTHYROXINE EP IMPURITY B
LEVOTHYROXINE EP IMPURITY B

CAT No: ALL-LEVO-B

Chemical Name: (2S)-2-Amino-3-[4-(3...

Molecular Formula: C15H11ClI3NO4

Molecular Weight: 685.42

CAS Number: 1628720-66-0

LEVOTHYROXINE D-ISOMER
LEVOTHYROXINE D-ISOMER

CAT No: ALL-LEVO-DI

Chemical Name: (2R)-Amino-3-(4-(4-h...

Molecular Formula: C15H11I4NO4

Molecular Weight: 776.87

CAS Number: 51-49-0

LEVOTHYROXINE β-HYDROXY IMPURITY
LEVOTHYROXINE β-HYDROXY IMPURITY

CAT No: ALL-LEVO-BH

Chemical Name: LEVOTHYROXINE β-HYD...

Molecular Formula: C15H11I4NO5

Molecular Weight: 792.87

CAS Number: 107849-54-7

CLINDAMYCIN DEHYDRO IMPURITY
CLINDAMYCIN DEHYDRO IMPURITY

CAT No: ALL-CIN-1158

Chemical Name: Methyl 7-Chloro-6,7,...

Molecular Formula: C18H32Cl2N2O5S

Molecular Weight: 459.43

CAS Number: 909032-77-5 (base)

CLINDAMYCIN  PENTADECANOATE IMPURITY
CLINDAMYCIN PENTADECANOATE IMPURITY

CAT No: ALL-C03238

Chemical Name: Methyl 7-Chloro-6,7,...

Molecular Formula: C33H61ClN2O6S

Molecular Weight: 649.37

CAS Number: 1123211-67-5

CLINDAMYCIN SULFOXIDE ISOMER B
CLINDAMYCIN SULFOXIDE ISOMER B

CAT No: ALL-C03050

Chemical Name: (2S,4R)-N-((1S,2S)-2...

Molecular Formula: C18H33ClN2O6S

Molecular Weight: 440.98

CAS Number: 22431-46-5

CLINDAMYCIN EP IMPURITY B
CLINDAMYCIN EP IMPURITY B

CAT No: ALL-C02755

Chemical Name: (2R)-N-(2-chloro-1-(...

Molecular Formula: C17H31ClN2O5S

Molecular Weight: 410.96

CAS Number: 18323-43-8

CLINDAMYCIN HYDROCHLORIDE WORKING STANDARD
CLINDAMYCIN HYDROCHLORIDE WORKING STANDARD

CAT No: ALL-C03695

Chemical Name: Methyl 7-chloro-6,7,...

Molecular Formula: C18H34Cl2N2O5S

Molecular Weight: 461.44

CAS Number: 58207-19-5 (Monohydrate) | 21462-39-5 (HCl) | 18323-44-9 (Base)

RIFAMPICIN N-DESMETHYL IMPURITY
RIFAMPICIN N-DESMETHYL IMPURITY

CAT No: ALL-RIF-1968

Chemical Name: 3-[(1-Piperazinylimi...

Molecular Formula: C42H56N4O12

Molecular Weight: 808.91

CAS Number: 13292-45-0

RIFAMPICIN EP IMPURITYB | RIFAMPICIN N-OXIDE IMPURITY
RIFAMPICIN EP IMPURITYB | RIFAMPICIN N-OXIDE IMPURITY

CAT No: ALL-RIF-1967

Chemical Name: 3-[[(4-Methyl-4-oxid...

Molecular Formula: C43H58N4O13

Molecular Weight: 838.94

CAS Number: 125833-03-6