CAS 957-68-6 | 7-Aminocephalosporanic Acid
Molecular Formula: C10H12N2O5S
Molecular Weight: 272.28
EINECS: 213-485-0
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Specification of CAS 957-68-6 | 7-Aminocephalosporanic acid
ITEMS | SPECIFICATION |
Melting point | >300 °C (lit.) |
InChIKey | HSHGZXNAXBPPDL-HZGVNTEJSA-N |
alpha | 94 º (c=0.5, KH2PO4, PH 7) |
Storage temp. | 2-8°C |
Merck | 14,434 |
Color | Off-white to beige |
Refractive index | 1.5650 |
Form | Crystalline Powder |
Water Solubility | 409.6mg/L(22.99 ºC) |
Density | 1.4667 |
Stability | Hygroscopic |
Boiling point | 560.6 °C |
pka | 2.59 |
optical activity | [α]19/D +90°, c = 0.5 in KH2PO4/trace NaOH |
BRN | 622638 |
CAS DataBase Reference | 957-68-6(CAS DataBase Reference) |
Synthesis of CAS 957-68-6 | 7-Aminocephalosporanic acid
Conditions
With sodium hydroxide; D-amino acid oxidase; bovine catalase (on glyoxyl agarose); glutaryl acylase (immobilized on polyethyleneimine) In phosphate buffer at 25℃; for 3h; pH=8; Enzymatic reaction;
Reference
Lopez-Gallego, Fernando; Batencor, Lorena; Hidalgo, Aurelio; Mateo, Cesar; Fernandez-Lafuente, Roberto; Guisan, Jose M.
[Advanced Synthesis and Catalysis, 2005, vol. 347, # 14, p. 1804 - 1810]
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