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Detail of "957-68-6"

  • MSDS Download
  • CAS Number:
  • 957-68-6
  • Name:

  • 7-Aminocephalosporanic acid

  • Molecular Structure:
  • Formula:
  • C10H12N2O5S
  • Molecular Weight:
  • 272.28
  • Deleted CAS:
  • 856652-39-6|856652-38-5|70035-93-7|26328-10-9|23241-25-0|13256-42-3
  • Synonyms:
  • 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 3-[(acetyloxy)methyl]-7-amino-8-oxo-, (6R-trans)-;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-amino-3-(hydroxymethyl)-8-oxo-, acetate (ester) (8CI);(7R)-7-Aminocephalosporanic acid;3-(Acetoxymethyl)-7-aminocephem-4-carboxylicacid;3-Acetoxymethyl-7-aminoceph-3-em-4-carboxylic acid;3-Acetoxymethyl-7b-aminoceph-3-em-4-carboxylicacid;7-ACA;7-ACS;7-Amino-3-acetoxymethyl-3-cephem-4-carboxylic acid;7-Amino-3-acetoxymethyl-D3-cephem-4-carboxylic acid;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 3-[(acetyloxy)methyl]-7-amino-8-oxo-, (6R,7R)-;7b-Amino-3-acetoxymethylcephemcarboxylicacid;7b-Aminocephalosporanic acid;
  • EINECS:
  • 213-485-0
  • Density:
  • 1.6 g/cm3
  • Melting Point:
  • >300 °C(lit.)
  • Boiling Point:
  • 560.6 °C at 760 mmHg
  • Flash Point:
  • 292.9 °C
  • Appearance:
  • off-white to beige crystalline powder
  • Hazard Symbols:
  • IrritantXi, HarmfulXn
  • Risk Codes:
  • 42/43-36/37/38-20/21/22
  • Safety:
  • 22-36/37-24/25-36-26 Details
  • particular:
  • particular
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CAS No.957-68-6 7-Aminocephalosporanic acidCompetitive Product

7-Aminocephalosporanic acid 7-ACA; (6R,7S)-3-(Acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid MF C10H12N2O5S MW 272.27 CAS 957-68-6

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CAS No.957-68-6 7-Aminocephalosporanic acidCompetitive Product

7-Aminocephalosporanic acid;7-ACA---We supply this product in very competitive price.

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

  Appearance:Beige crysta...Storage:2-8°C  Application:Pharmaceutic...

Melting Point:>300 °C(lit.) Solubility in water:Very soluble Storage:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

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

7-Aminocephalosporanic acid :7-ACA; (6R,7S)-3-(Acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid MF C10H12N2O5S MW 272.27

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

Assay:97%  Appearance:White to off...

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

7ACA

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

7-Aminocephalosporanic acid

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

Assay:98%

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

7-Aminocephalosporanic Acid

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

Product Name: 7-Aminocephalosporanic acid Alias: 7-ACA; (6R,7S)-3-(Acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Molecular Structure: Molecular Formula: C10H12N2O5S Molecular Weight: 272.27 CAS NO.: 957-68-6 EINECS RN: 213-485-0

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7-Aminocephalosporanic acid is a key intermediate required for the production of most of the clinically used cephalosporin derivatives.

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Reference

Aminocephalosporinic acid production
Aminocephalosporinic acid production. (Banyu Pharmaceutical Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59044392 A2 12 Mar 1984 Showa, 7 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C07D501-04. APPLICATION: JP 82-155219 8 Sep 1982. DOCUMENT TYPE: Patent CA Section: 16 (Fermentation and Bioindustrial Chemistry) The antibiotic 7-aminocephalosporanic acid (I) [957-68-6] is produced by culturing Paecilomyces on a medium contg. II (R = H or isobutoxycarbonyl, M1 and M2 = H or alkali metal). Thus, 500 mg wet cells of Paecilomyces C-2106 were suspended in a medium contg. 50 mg N-isobutoxycarbonylcephalosporin C Na salt [26883-55-6] in 10 mL McIlvaine buffer, pH 7. The mixt. was shaken at 35° for 4 h. I formation rate was 1.35% with resp. to the substrate.
Breeding of high 6-aminopenicillanic acid- or 7-aminocephalosporanic acid-producing microbial strains
Breeding of high 6-aminopenicillanic acid- or 7-aminocephalosporanic acid-producing microbial strains. (Chisso Corp., Japan). Jpn. Kokai Tokkyo Koho JP 59183692 A2 18 Oct 1984 Showa, 4 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C12N015-00; C12N001-20. ICA: C12N009-84; C12P035-00; C12P037-00. APPLICATION: JP 83-56691 31 Mar 1983. DOCUMENT TYPE: Patent CA Section: 16 (Fermentation and Bioindustrial Chemistry) Microbial strains contg. low penicillin amidase (EC 3.5.1.11) [9014-06-6] activity are treated with mutagens or UV of high-energy radiation to produce penicillin-, cephalosporin-, 6-aminopenicillanic acid (6-APA) [551-16-6]-, and (or) 7-aminocephalosporanic acid (7-ACA) [957-68-6]-sensitive, high penicillin amidase-contg., and 6-APA- and(or) 7-ACA-producing mutants. Thus, Escherichia coli IFO 3366 strain was treated with N-methyl-N-nitro-N'-nitrosoguanidine to induce mutation. The mutant cells were cultured on a bouillon agar plate and colonies appearing on the plate were again cultured in the bouillon agar plate in the presence and absence of penicillin G or 6-APA to select penicillin-sensitive (E. coli GM-111) or 6-APA-sensitive (E coli AS-2) mutant strains, resp. Both mutant strains contained high penicillin amidase activity and produced 6-APA at high yield.
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