7-Aminocephalosporanic acid CAS NO.957-68-6

7-Aminocephalosporanic acid Basic information

Synthetic cephalosporins important nucleus β-lactam antibiotics Chemical Properties Uses production method
Product Name:    7-Aminocephalosporanic acid
Synonyms:    Cefazolin Sodium EP Impurity H (7-Aminocephalosporanic Acid);Cephalothin Impurity C(EP)（7-ACA）;Aminocephalosporanic;Cefazolin EP Impurity H;7-ACA Impurity;Ceftriaxone Impurity 18;(6R,7R)-3-(acetyloxymethyl)-7-ammonio-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;7-AMinocephalosporanic acid 98%
CAS:    957-68-6
MF:    C10H12N2O5S
MW:    272.28
EINECS:    213-485-0
Product Categories:    7-ACA;Amines;Chiral Reagents;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;Organic acids;API intermediates;Antibiotics for Research and Experimental Use;beta-Lactams (Antibiotics for Research and Experimental Use);Biochemistry;API;Inhibitors
Mol File:    957-68-6.mol

7-Aminocephalosporanic acid Chemical Properties
Melting point     >300 °C (lit.)
alpha     94 º (c=0.5, KH2PO4, PH 7)
Boiling point     560.6±50.0 °C(Predicted)
density     1.4667 (rough estimate)
refractive index     1.5650 (estimate)
storage temp.     2-8°C
pka    2.59±0.50(Predicted)
form     Crystalline Powder
color     Off-white to beige
optical activity    [α]19/D +90°, c = 0.5 in KH2PO4/trace NaOH
Water Solubility     409.6mg/L(22.99 ºC)
Merck     14,434
BRN     622638
Stability:    Hygroscopic
InChIKey    HSHGZXNAXBPPDL-HZGVNTEJSA-N
CAS DataBase Reference    957-68-6(CAS DataBase Reference)

Safety Information
Hazard Codes     Xn,Xi
Risk Statements     42/43-36/37/38-20/21/22
Safety Statements     22-36/37-24/25-36-26
WGK Germany     3
HS Code     29349960