API Impurities
ACETYLCYSTEINE
Chemical Name: (2R)-2-Acetamido-3-sulfanylpropanoic aci...
CAS No:
616-91-1
Molecular Formula: C5H9NO3S
Molecular Weight: 163.19
CAT No:
ALL-ATY-44
Keywords: O=C(O)[C@@H](NC(C)=O)CS
Inventory Status:IN STOCK/40-905
ACETYLCYSTEINE EP IMPURITY A
Chemical Name: (2R,2'R)-3,3'-disulfanediylbis...
CAS No:
56-89-3
Molecular Formula: C6H12N2O4S2
Molecular Weight: 240.3
CAT No:
ALL-ATY-45
Keywords: C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N
Inventory Status:IN STOCK/40-906
ACETYLCYSTEINE EP IMPURITY B
Chemical Name: (R)-2-Amino-3-mercaptopropanoic Acid
CAS No:
52-90-4 / 7048-04-6
Molecular Formula: C3H7NO2S
Molecular Weight: 121.16
CAT No:
ALL-ATY-46
Keywords: C([C@@H](C(=O)O)N)S.O.Cl
Inventory Status:IN STOCK/40-907
ACETYLCYSTEINE EP IMPURITY B HYDROCHLORIDE
Chemical Name: (2R)-2-Amino-3-sulfanylpropanoic acid Hy...
CAS No:
52-89-1
Molecular Formula: C3H7NO2S : HCl
Molecular Weight: 121.2 : 36.5
CAT No:
ALL-A07734
Keywords: C([C@@H](C(=O)O)N)S.Cl
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE EP IMPURITY C
Chemical Name: N,N'-Diacetyl-L-cystine
CAS No:
5545-17-5
Molecular Formula: C10H16N2O6S2
Molecular Weight: 324.37
CAT No:
ALL-ATY-C
Keywords: CC(=O)N[C@@H](CSSC[C@@H](C(=O)O)NC(=O)C)...
Inventory Status:IN STOCK/40-908
ACETYLCYSTEINE EP IMPURITY D
Chemical Name: (R)-2-acetamido-3-(acetylthio)propanoic ...
CAS No:
18725-37-6
Molecular Formula: C7H11NO4S
Molecular Weight: 205.23
CAT No:
ALL-ATY-47
Keywords: O=C(O)[C@H](CSC(C)=O)NC(C)=O
Inventory Status:IN STOCK/40-909
ACETYLCYSTEINE IMPURITY 1
Chemical Name: 2-Methyl-4,5-dihydrothiazole-4-carboxyli...
CAS No:
15058-19-2
Molecular Formula: C5H7NO2S : Na
Molecular Weight: 145.2 : 23.0
CAT No:
ALL-A07747
Keywords: OC(C1N=C(C)SC1)=O.[Na]
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 1 FREE BASE
Chemical Name: 2-Methyl-4,5-dihydrothiazole-4-carboxyli...
CAS No:
84184-18-9
Molecular Formula: C5H7NO2S
Molecular Weight: 145.2
CAT No:
ALL-ATY-RC6
Keywords: OC(C1N=C(C)SC1)=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 10
Chemical Name: N-Acetyl-S-(1-amino-3-hydroxy-1-oxopropa...
CAS No:
137698-09-0
Molecular Formula: C8H14N2O5S
Molecular Weight: 250.3
CAT No:
ALL-ATY-RC7
Keywords: OC([C@@H](NC(C)=O)CSC(CO)C(N)=O)=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 2
Chemical Name: N,S-Bis(3-hydroxypropyl)-L-cysteine
CAS No:
NA
Molecular Formula: C9H19NO4S
Molecular Weight: 237.3
CAT No:
ALL-A07737
Keywords: OCCCSC[C@@H](C(O)=O)NCCCO
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 3
Chemical Name: Acetyl(sulfino)-D-alanine
CAS No:
282727-77-9
Molecular Formula: C5H9NO5S
Molecular Weight: 195.2
CAT No:
ALL-A07738
Keywords: OC([C@@H](NC(C)=O)C[S](O)=O)=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 4
Chemical Name: N-acetyl-S-propionyl-L-cysteine
CAS No:
7280-90-2
Molecular Formula: C8H13NO4S
Molecular Weight: 219.3
CAT No:
ALL-A07735
Keywords: O=C(O)[C@@H](NC(C)=O)CSC(CC)=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 5
Chemical Name: N-Acetyl-S-(3-oxopropyl)-L-cysteine
CAS No:
140226-30-8
Molecular Formula: C8H13NO4S
Molecular Weight: 219.3
CAT No:
ALL-A07736
Keywords: O=C(O)[C@@H](NC(C)=O)CSCCC=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 6
Chemical Name: (4S)-2-Hydroxy-2-methylthiazolidine-4-ca...
CAS No:
N.A
Molecular Formula: C5H9NO3S
Molecular Weight: 163.2
CAT No:
ALL-A07739
Keywords: O=C([C@@H]1NC(C)(O)SC1)O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 7
Chemical Name: (4R)-2-Methylthiazolidine-4-carboxylic ...
CAS No:
190062-99-8
Molecular Formula: C5H9NO2S
Molecular Weight: 147.2
CAT No:
ALL-A07748
Keywords: OC(C(CS1)NC1C)=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 8
Chemical Name: N-acetyl-S-(2-oxopropyl)-L-cysteine
CAS No:
45122-45-0
Molecular Formula: C8H13NO4S
Molecular Weight: 219.3
CAT No:
ALL-ATY-RC8
Keywords: O=C(O)[C@@H](NC(C)=O)CSCC(C)=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE IMPURITY 9
Chemical Name: N-Acetyl-S-(3-amino-2-hydroxy-3-oxopropy...
CAS No:
137698-08-9
Molecular Formula: C8H14N2O5S
Molecular Weight: 250.3
CAT No:
ALL-ATY-RC9
Keywords: OC([C@@H](NC(C)=O)CSCC(O)C(N)=O)=O
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE MANITOL IMPURITY
Chemical Name: (2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexy...
CAS No:
N.A
Molecular Formula: C11H21NO8S
Molecular Weight: 327.3
CAT No:
ALL-A07746
Keywords: O=C(OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)...
Inventory Status:DELIVERY 3-4 WEEKS
ACETYLCYSTEINE RC 1
Chemical Name: (R)-2-Amino-3-sulfopropanoic Acid
CAS No:
498-40-8
Molecular Formula: C3H7NO5S
Molecular Weight: 169.16
CAT No:
ALL-ATY-RC1
Keywords: OS(C[C@H](N)C(O)=O)(=O)=O
Inventory Status:IN STOCK/40-910
ACETYLCYSTEINE RC 2
Chemical Name: (2R)-2-Acetamido-3-sulfopropanoic Acid
CAS No:
79560-92-2
Molecular Formula: C5H9NO6S
Molecular Weight: 211.19
CAT No:
ALL-ATY-RC2
Keywords: CC(=O)N[C@@H](CS(=O)(=O)O)C(=O)O
Inventory Status:IN STOCK/40-911
ACETYLCYSTEINE RC 3
Chemical Name: N-Acetyl-S-(N-methylcarbamoyl)-L-cystein...
CAS No:
103974-29-4
Molecular Formula: C7H12N2O4S
Molecular Weight: 220.25
CAT No:
ALL-ATY-RC3
Keywords: CC(=O)N[C@@H](CSC(=O)NC)C(=O)O
Inventory Status:IN STOCK/40-912
ACETYLCYSTEINE RC 4
Chemical Name: (2R)-2-Propanamido-3-sulfanylpropanoic ...
CAS No:
2885-79-2
Molecular Formula: C6H11NO3S
Molecular Weight: 177.2
CAT No:
ALL-ATY-RC4
Keywords: CCC(=O)N[C@@H](CS)C(=O)O
Inventory Status:IN STOCK/40-913
ACETYLCYSTEINE RC 5
Chemical Name: (R)-3-(Acetylthio)-2-aminopropanoic acid
CAS No:
15312-11-5
Molecular Formula: C5H9NO3S
Molecular Weight: 163.19
CAT No:
ALL-ATY-RC5
Keywords: CC(=O)SCC(C(=O)O)N
Inventory Status:IN STOCK/40-914
GLUCOSE-CYSTEINE
Chemical Name: ((2R,3R,4S,5R)-3,4,5,6-Tetrahydroxy-1-ox...
CAS No:
38325-69-8
Molecular Formula: C9H17NO7S
Molecular Weight: 283.3
CAT No:
ALL-ATY-RC10
Keywords: O[C@@H]([C@H](O)[C@H](O)CO)[C@H](C=O)N[...
Inventory Status:DELIVERY 3-4 WEEKS
L-CYSTEIC ACID
Chemical Name: (R)-2-Amino-3-sulfopropanoic Acid
CAS No:
498-40-8
Molecular Formula: C3H7NO5S
Molecular Weight: 169.2
CAT No:
ALL-A07740
Keywords: OS(C[C@H](N)C(O)=O)(=O)=O
Inventory Status:DELIVERY 3-4 WEEKS
L-CYSTEINE D-GLUCOSE
Chemical Name: (4R)-2-((1R,2S,3R,4R)-1,2,3,4,5-Pentahyd...
CAS No:
232617-16-2
Molecular Formula: C9H17NO7S
Molecular Weight: 283.3
CAT No:
ALL-ATY-RC11
Keywords: O[C@@H](C(SC1)([H])N[C@@H]1C(O)=O)[C@@H]...
Inventory Status:DELIVERY 3-4 WEEKS
L-CYSTEINYL-L-CYSTEINE
Chemical Name: L-cysteinyl-L-cysteine
CAS No:
18048-87-8
Molecular Formula: C6H12N2O3S2
Molecular Weight: 224.3
CAT No:
ALL-A07741
Keywords: OC([C@H](CS)NC([C@@H](N)CS)=O)=O
Inventory Status:DELIVERY 3-4 WEEKS
L-CYSTINE DIMETHYL ESTER
Chemical Name: Dimethyl 3,3'-disulfanediyl(2R,2�...
CAS No:
1069-29-0
Molecular Formula: C8H16N2O4S2
Molecular Weight: 268.3
CAT No:
ALL-A07742
Keywords: N[C@@H](CSSC[C@H](N)C(OC)=O)C(OC)=O
Inventory Status:DELIVERY 3-4 WEEKS
-ALLYL-CYSTEINE.png)
L-GAMMA-GLUTAMYL-(S)-ALLYL-CYSTEINE
Chemical Name: L-Cysteine, N-L-gamma-glutamyl-S-2-prop...
CAS No:
91216-95-4
Molecular Formula: C11H18N2O5S
Molecular Weight: 290.3
CAT No:
ALL-ATY-RC12
Keywords: OC([C@H](CSCC=C)NC(CC[C@H](N)C(O)=O)=O)=...
Inventory Status:DELIVERY 3-4 WEEKS
N,N’-Diacetyl-L-lanthionine Disodium Salt
Chemical Name: Sodium (2R,2'R)-3,3'-thiobis(2...
CAS No:
N.A
Molecular Formula: C10H14N2O6S : 2(Na)
Molecular Weight: 290.3 : 2(23.5)
CAT No:
ALL-A07749
Keywords: N,N’-Diacetyl-L-lanthionine Disodium S...
Inventory Status:IN STOCK
N-ACETYL-D-CYSTEINE
Chemical Name: Acetyl-D-cysteine
CAS No:
26117-28-2
Molecular Formula: C5H9NO3S
Molecular Weight: 163.2
CAT No:
ALL-A07743
Keywords: OC([C@@H](CS)NC(C)=O)=O
Inventory Status:DELIVERY 3-4 WEEKS
N-ACETYL-L-CYSTEINE METHYL ESTER
Chemical Name: Methyl acetyl-L-cysteinate
CAS No:
7652-46-2
Molecular Formula: C6H11NO3S
Molecular Weight: 177.2
CAT No:
ALL-ATY-RC13
Keywords: SC[C@@H](C(OC)=O)NC(C)=O
Inventory Status:DELIVERY 3-4 WEEKS
N-FORMYL-L-CYSTEINE
Chemical Name: Formyl-L-cysteine
CAS No:
19538-78-4
Molecular Formula: C4H7NO3S
Molecular Weight: 149.2
CAT No:
ALL-ATY-RC14
Keywords: SC[C@@H](C(O)=O)NC=O
Inventory Status:DELIVERY 3-4 WEEKS
N-NITROSO ACETYLCYSTEINE
Chemical Name: N-Acetyl-N-nitroso-L-cysteine
CAS No:
NA
Molecular Formula: C5H8N2O4S
Molecular Weight: 192.2
CAT No:
ALL-A07750
Keywords: SC[C@@H](C(O)=O)N(N=O)C(C)=O
Inventory Status:DELIVERY 3-4 WEEKS
-L-cysteine.png)
S-(THIAZOL-2-YL)-L-CYSTEINE
Chemical Name: S-(thiazol-2-yl)-L-cysteine
CAS No:
405150-20-1
Molecular Formula: C6H8N2O2S2
Molecular Weight: 204.3
CAT No:
ALL-A07744
Keywords: N[C@H](C(O)=O)CSC1=NC=CS1
Inventory Status:DELIVERY 3-4 WEEKS
S-ACETYLCYSTEINE
Chemical Name: S-Acetylcysteine
CAS No:
60333-15-5
Molecular Formula: C5H9NO3S
Molecular Weight: 163.2
CAT No:
ALL-A07745
Keywords: O=C(C(CSC(C)=O)N)O
Inventory Status:DELIVERY 3-4 WEEKS