ABC00176BN

Amoxicillin EP Impurity G (Crude)

Amoxicillin EP Impurity G (Crude) is a degradation byproduct formed via oxidative cleavage of the side-chain amino group in Amoxicillin, resulting in a substituted thiazole moiety conjugated to a ฮฒ-lactam core with an additional hydroxylated aromatic substituent. This impurity retains the core ฮฒ-lactam structure but features a modified side chain containing a carboxylic acid derivative and an oxidized sulfur center. It serves as a critical HPLC reference standard for quantifying this specific degradation product in Amoxicillin drug substance purity profiling.

On Request
Molecular Formula C24H26N4O7S
Molecular Weight 514.6000
CAS Number 188112-75-6 โœ“ Verified
PubChem CID 71587607 โ†—
Purity N/A
Product Type API Impurity
Parent Drug Amoxicillin
Lead Time On Request
IUPAC Name (2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Official Reference Standards
Std Catalog # Quantity Price
USP 1031570 โ†— 15 mg USD 948.00

๐Ÿ“ Synonyms

188112-75-6 (4-Hydroxyphenyl)glycylamoxicillin, D- 470UXZ8I8Z (2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Amoxicillin trihydrate impurity G [EP] Amoxicillin trihydrate impurity G DTXSID40172159 D-HYDROXYPHENYLGLYCYLAMOXICILLIN (2S,5R,6R)-6-(((2R)-2-(((2R)-2-Amino-2-(4-hydroxyphenyl)acetyl)amino)-2-(4-hydroxyphenyl)acetyl)-amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)-heptane-2-carboxylic acid (2S,5R,6R)-6-((R)-2-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido(-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid

๐Ÿ”ฌ Chemical Identifiers

CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=C(C=C3)O)NC(=O)[C@@H](C4=CC=C(C=C4)O)N)C(=O)O)C
InChI=1S/C24H26N4O7S/c1-24(2)18(23(34)35)28-21(33)17(22(28)36-24)27-20(32)16(12-5-9-14(30)10-6-12)26-19(31)15(25)11-3-7-13(29)8-4-11/h3-10,15-18,22,29-30H,25H2,1-2H3,(H,26,31)(H,27,32)(H,34,35)/t15-,16-,17-,18+,22-/m1/s1
IWGQIIQKNORCPQ-OSAVLUCMSA-N

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