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TACROLIMUS EP IMPURITY G |  TACROLIMUS 19-EPIMER (USP)
TACROLIMUS EP IMPURITY G | TACROLIMUS 19-EPIMER (USP)

CAT No: ALL-TRC-2088

Chemical Name: (1S,9S,12S,13R,14S,1...

Molecular Formula: C44H69NO12

Molecular Weight: 804.03

CAS Number: 144490-63-1

TACROLIMUS OPEN RING IMPURITY
TACROLIMUS OPEN RING IMPURITY

CAT No: ALL-TRC-2097

Chemical Name: (5R,7S,8R,9S,11S,13E...

Molecular Formula: C44H71NO13

Molecular Weight: 822.03

CAS Number: 144432-23-5

Cycloserine RC 4
Cycloserine RC 4

CAT No: ALL-CYS-1673

Chemical Name: (S)-4-Aminoisoxazoli...

Molecular Formula: C3H6N2O2

Molecular Weight: 102.09

CAS Number: 339-72-0

Cycloserine RC 3
Cycloserine RC 3

CAT No: ALL-CYS-1672

Chemical Name: (S)-Methyl 2-amino-3...

Molecular Formula: C4H9Cl2NO2

Molecular Weight: 174.04

CAS Number: 112346-82-4 (HCl) ; 327064-64-2 (Base)

Cycloserine RC 2
Cycloserine RC 2

CAT No: ALL-CYS-1671

Chemical Name: (R)-Methyl 2-amino-3...

Molecular Formula: C4H10ClNO3

Molecular Weight: 155.58

CAS Number: 5874-57-7 ; 5680-80-8

Cycloserine RC 1
Cycloserine RC 1

CAT No: ALL-CYS-1670

Chemical Name: (R)-2-Amino-3-hydrox...

Molecular Formula: C3H7NO3

Molecular Weight: 105.09

CAS Number: 312-84-5

RIFAXIMIN IMPURITY 2
RIFAXIMIN IMPURITY 2

CAT No: ALL-R04404

Chemical Name: (2S,16Z,18E,20S,21S,...

Molecular Formula: C43H49N3O11

Molecular Weight: 783-86

CAS Number: 1351775-03-5

RIFAXIMIN IMPURITY 1
RIFAXIMIN IMPURITY 1

CAT No: ALL-R04478

Chemical Name: (2S,16Z,18E,20S,21S,...

Molecular Formula: C43H49N3O11

Molecular Weight: 783-86

CAS Number: 1351775-04-6

RIFABUTIN N-OXIDE
RIFABUTIN N-OXIDE

CAT No: ALL-RIFA-1948

Chemical Name: Spiro[9,4-(epoxypent...

Molecular Formula: C46 H62 N4 O12

Molecular Weight: 863

CAS Number: 645406-37-7

Lapatinib O-Desfluorobenzyl Impurity
Lapatinib O-Desfluorobenzyl Impurity

CAT No: ALL-LAP-1942

Chemical Name: 2-Chloro-4-[[6-[5-[[...

Molecular Formula: C22H21ClN4O4S

Molecular Weight: 472.94

CAS Number: 1268997-70-1

Lapatinib N-Hydroxy Impurity
Lapatinib N-Hydroxy Impurity

CAT No: ALL-LAP-1941

Chemical Name: N-[3-Chloro-4-[(3-fl...

Molecular Formula: C29H26ClFN4O5S

Molecular Weight: 597.06

CAS Number: 1360431-86-2

Lapatinib Formyl Impurity
Lapatinib Formyl Impurity

CAT No: ALL-LAP-1940

Chemical Name: 5-(4-(4-(3-Fluoroben...

Molecular Formula: C26H17ClFN3O3

Molecular Weight: 473.88

CAS Number: 231278-84-5