CAS 178738-48-2 and 178738-49-3 (2RS,4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethylthiazolidine-4-carboxylic Acid (Penilloic Acids of Amoxicillin)

CAT	APS178738482 and 178738493
CAS	178738-48-2 and 178738-49-3
Structure
Synonyms	Penilloic Acids of Amoxicillin, SB-206887,Amoxicillin Trihydrate Imp. E (EP), (2RS,4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethylthiazolidine-4-carboxylic Acid, Amoxicillin USP Related Compounds D and E Mixture, Amoxicillin Imp. E (EP), Amoxicillin USP RCs D and E Mixture, Mixture of isomers 1 & 2, Ph Eur Amoxicillin Impurity E (Isomers 1 and 2)
IUPAC Name	(4S)-2-[[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
Molecular Weight	339.41
Molecular Formula	C15H21N3O4S
Canonical SMILES	CC1(C)SC(CNC(=O)[C@H](N)c2ccc(O)cc2)N[C@H]1C(=O)O
InChI	InChI=1S/C15H21N3O4S/c1-15(2)12(14(21)22)18-10(23-15)7-17-13(20)11(16)8-3-5-9(19)6-4-8/h3-6,10-12,18-19H,7,16H2,1-2H3,(H,17,20)(H,21,22)/t10?,11-,12+/m1/s1

Accurate Mass	339.1253
API Family	Matrix - API Family Amoxicillin Trihydrate
Format	Neat
Product Type	Impurity
Shipping	Ice pack (-20°C)
Storage Conditions	-18°C
Subcategory	Impurity standards, Mikromol, Antibiotics

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