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API Impurities

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
(RS)-2-PHENYLGLYCINE
(RS)-2-PHENYLGLYCINE

Chemical Name: 2-Amino-2-phenylacetic acid

CAS No:
2835-06-5

Molecular Formula: C8H9NO2

Molecular Weight: 151.2

CAT No:
ALL-CEF-5065

Keywords: (RS)-2-PHENYLGLYCINE

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN AMIDE IMPURITY
CEFALEXIN AMIDE IMPURITY

Chemical Name: (6R,7R)-7-((R)-2-Amino-2-phenylacetamid...

CAS No:
N.A.

Molecular Formula: C16H18N4O3S

Molecular Weight: 346.4

CAT No:
ALL-CEF-9485

Keywords: CEFALEXIN AMIDE IMPURITY

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN DIKETOPIPERAZINE
CEFALEXIN DIKETOPIPERAZINE

Chemical Name: 2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5-m...

CAS No:
59865-11-1

Molecular Formula: C16H17N3O4S

Molecular Weight: 347.4

CAT No:
ALL-CEF-5111

Keywords: CEFALEXIN DIKETOPIPERAZINE

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN DIKETOPIPERAZINE MONOACID
CEFALEXIN DIKETOPIPERAZINE MONOACID

Chemical Name: 2-(1-amino-2-((carboxy(phenyl)methyl)ami...

CAS No:
1323247-65-9

Molecular Formula: C16H19N3O5S

Molecular Weight: 365.4

CAT No:
ALL-CEF-7659

Keywords: CEFALEXIN DIKETOPIPERAZINE MONOACID

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN EP IMPURITY A
CEFALEXIN EP IMPURITY A

Chemical Name: (2R)-2-Amino-2-phenylacetic acid

CAS No:
875-74-1

Molecular Formula: C8H9NO2

Molecular Weight: 151.16

CAT No:
ALL-CEP-978

Keywords: CEFALEXIN, CEFALEXIN EP IMPURITY D, CEFA...

Inventory Status:IN STOCK-370-25

COA MSDS
CEFALEXIN EP IMPURITY A (S-ISOMER)
CEFALEXIN EP IMPURITY A (S-ISOMER)

Chemical Name: (S)-2-Amino-2-phenylacetic acid

CAS No:
2935-35-5

Molecular Formula: C8H9NO2

Molecular Weight: 151.2

CAT No:
ALL-CEF-5355

Keywords: CEFALEXIN EP IMPURITY A (S-ISOMER)

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN EP IMPURITY B
CEFALEXIN EP IMPURITY B

Chemical Name: 7-Aminodesacetoxycephalosporanic acid

CAS No:
22252-43-3

Molecular Formula: C8H10N2O3S

Molecular Weight: 214.4

CAT No:
ALL-CEP-979

Keywords: CEFALEXIN, CEFALEXIN EP IMPURITY B, UNIT...

Inventory Status:IN STOCK-371-25

COA MSDS
CEFALEXIN EP IMPURITY C
CEFALEXIN EP IMPURITY C

Chemical Name: (6R,7R)-7-[[(2R)-2-[[(2R)-2-Amino-2-phen...

CAS No:
72528-40-6

Molecular Formula: C24H24N4O5S

Molecular Weight: 480.54

CAT No:
ALL-CEP-980

Keywords: CEFALEXIN, CEFALEXIN EP IMPURITY C, UNIT...

Inventory Status:IN STOCK-372-25

COA MSDS
CEFALEXIN EP IMPURITY D
CEFALEXIN EP IMPURITY D

Chemical Name: 3-Hydroxy-4-methylthiophen-2(5H)-one

CAS No:
34876-35-2

Molecular Formula: C5H6O2S

Molecular Weight: 130.16

CAT No:
ALL-CEP-981

Keywords: CEFALEXIN, CEFALEXIN EP IMPURITY D, UNIT...

Inventory Status:IN STOCK-373-25

COA MSDS
CEFALEXIN EP IMPURITY E
CEFALEXIN EP IMPURITY E

Chemical Name: (6R,7R)-7-[(2,2-Dimethylpropanoyl)amino]...

CAS No:
146794-70-9

Molecular Formula: C13H18N2O4S

Molecular Weight: 298.36

CAT No:
ALL-CEP-982

Keywords: CEFALEXIN, CEFALEXIN EP IMPURITY E, UNIT...

Inventory Status:IN STOCK-374-25

COA MSDS
CEFALEXIN EP IMPURITY F
CEFALEXIN EP IMPURITY F

Chemical Name: (2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylace...

CAS No:
79750-46-2

Molecular Formula: C16H17N3O4S

Molecular Weight: 347.49

CAT No:
ALL-CEP-983

Keywords: CEFALEXIN, CEFALEXIN EP IMPURITY F, UNIT...

Inventory Status:IN STOCK-375-25

COA MSDS
CEFALEXIN IMPURITY 1
CEFALEXIN IMPURITY 1

Chemical Name: 2-(1-Amino-2-(((R)-carboxy(phenyl)methyl...

CAS No:
N.A.

Molecular Formula: C16H19N3O5S

Molecular Weight: 365.4

CAT No:
ALL-CEF-8968

Keywords: CEFALEXIN IMPURITY 1

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN IMPURITY 4
CEFALEXIN IMPURITY 4

Chemical Name: (R)-2-(Aminomethyl)-5-methyl-3,6-dihydr...

CAS No:

Molecular Formula: C7H12N2OS

Molecular Weight: 172.2

CAT No:
ALL-CEF-2765

Keywords: CEFALEXIN IMPURITY 4

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN IMPURITY 5
CEFALEXIN IMPURITY 5

Chemical Name: (6R,7R)-7-((R)-2-((R)-2-((R)-2-Amino-2-...

CAS No:
N.A.

Molecular Formula: C32H31N5O6S

Molecular Weight: 613.7

CAT No:
ALL-CEF-5863

Keywords: CEFALEXIN IMPURITY 5

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN IMPURITY 6
CEFALEXIN IMPURITY 6

Chemical Name: (6R,7R)-3-Methyl-8-oxo-7-(2-phenylaceta...

CAS No:
27255-72-7

Molecular Formula: C16H16N2O4S

Molecular Weight: 332.4

CAT No:
ALL-CEF-5727

Keywords: CEFALEXIN IMPURITY 6

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN IMPURITY 7
CEFALEXIN IMPURITY 7

Chemical Name: (6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-...

CAS No:
56487-68-4

Molecular Formula: C8H10N2O3S

Molecular Weight: 214.2

CAT No:
ALL-CEF-7864

Keywords: CEFALEXIN IMPURITY 7

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN MONOHYDRATE
CEFALEXIN MONOHYDRATE

Chemical Name: (6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]...

CAS No:
15686-71-2 (anhydrous) ; 23325-78-2 (monohydrate)

Molecular Formula: C16H19N3O5S

Molecular Weight: 365.40

CAT No:
ALL-CEP-984

Keywords: CEFALEXIN, CEFALEXIN EP IMPURITY , CEFAL...

Inventory Status:IN STOCK

COA MSDS
CEFALEXIN OPEN-RING IMPURITY
CEFALEXIN OPEN-RING IMPURITY

Chemical Name: 2-(((R)-2-Amino-2-phenylacetamido)(carbo...

CAS No:
N.A.

Molecular Formula: C16H19N3O5S

Molecular Weight: 365.4

CAT No:
ALL-CEF-6235

Keywords: CEFALEXIN OPEN-RING IMPURITY

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN R-SULFOXIDE
CEFALEXIN R-SULFOXIDE

Chemical Name: (5R,6R,7R)-7-((R)-2-amino-2-phenylacetam...

CAS No:
52210-38-5

Molecular Formula: C16H17N3O5S

Molecular Weight: 363.4

CAT No:
ALL-CEF-0385

Keywords: CEFALEXIN R-SULFOXIDE

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEFALEXIN S-SULFOXIDE
CEFALEXIN S-SULFOXIDE

Chemical Name: (5S,6R,7R)-7-((R)-2-amino-2-phenylacetam...

CAS No:
74708-55-7

Molecular Formula: C16H17N3O5S

Molecular Weight: 363.4

CAT No:
ALL-CEF-8557

Keywords: CEFALEXIN S-SULFOXIDE

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEPHALEXIN CHLORO IMPURITY
CEPHALEXIN CHLORO IMPURITY

Chemical Name: (6R,7R)-7-((R)-2-Amino-2-(4-chlorophenyl...

CAS No:
22039-59-4

Molecular Formula: C16H16ClN3O4S

Molecular Weight: 381.8

CAT No:
ALL-CEF-9594

Keywords: CEPHALEXIN CHLORO IMPURITY

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
CEPHALEXIN SULFOXIDE
CEPHALEXIN SULFOXIDE

Chemical Name: (6R,7R)-7-((R)-2-amino-2-phenylacetamido...

CAS No:
56193-21-6

Molecular Formula: C16H17N3O5S

Molecular Weight: 363.4

CAT No:
ALL-CEF-3216

Keywords: CEPHALEXIN SULFOXIDE

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
DELTA-4-CEPHALEXIN DIKETOPIPERAZINE
DELTA-4-CEPHALEXIN DIKETOPIPERAZINE

Chemical Name: 2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5-m...

CAS No:
65870-52-2

Molecular Formula: C16H17N3O4S

Molecular Weight: 347.4

CAT No:
ALL-CEF-0522

Keywords: DELTA-4-CEPHALEXIN DIKETOPIPERAZINE

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
L-CEPHALEXIN
L-CEPHALEXIN

Chemical Name: (6R,7R)-7-((S)-2-Amino-2-phenylacetamid...

CAS No:
34632-04-7

Molecular Formula: C16H17N3O4S

Molecular Weight: 347.4

CAT No:
ALL-CEF-2047

Keywords: L-CEPHALEXIN

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
N-NITROSO CEFALEXIN DIKETOPIPERAZINE
N-NITROSO CEFALEXIN DIKETOPIPERAZINE

Chemical Name: 2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-m...

CAS No:
N.A.

Molecular Formula: C16H16N4O5S

Molecular Weight: 376.4

CAT No:
ALL-CEF-2668

Keywords: N-NITROSO CEFALEXIN DIKETOPIPERAZINE

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS
N-NITROSO CEFALEXIN DIKETOPIPERAZINE MONOACID
N-NITROSO CEFALEXIN DIKETOPIPERAZINE MONOACID

Chemical Name: 2-(1-Amino-2-((carboxy(phenyl)methyl)ami...

CAS No:
N.A.

Molecular Formula: C16H18N4O6S

Molecular Weight: 394.4

CAT No:
ALL-CEF-2463

Keywords: N-NITROSO CEFALEXIN DIKETOPIPERAZINE MON...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS