Cas 83901-08-0,(6R,7R)-3-Methyl-4-methylene-5,5,8-trioxo-7-phenylacetylamino-5λ<sup>6</sup>-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid acetoxymethyl ester

83901-08-0

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Basic information

Product Name: (6R,7R)-3-Methyl-4-methylene-5,5,8-trioxo-7-phenylacetylamino-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid acetoxymethyl ester
Synonyms: (6R,7R)-3-Methyl-4-methylene-5,5,8-trioxo-7-phenylacetylamino-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid acetoxymethyl ester
CAS NO:83901-08-0
Molecular Formula:
Molecular Weight: 448.453
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (6R,7R)-3-Methyl-4-methylene-5,5,8-trioxo-7-phenylacetylamino-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid acetoxymethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (6R,7R)-3-Methyl-4-methylene-5,5,8-trioxo-7-phenylacetylamino-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid acetoxymethyl ester(83901-08-0)
EPA Substance Registry System: (6R,7R)-3-Methyl-4-methylene-5,5,8-trioxo-7-phenylacetylamino-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid acetoxymethyl ester(83901-08-0)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 83901-08-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 83901-08-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,0 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83901-08:
(7*8)+(6*3)+(5*9)+(4*0)+(3*1)+(2*0)+(1*8)=130
130 % 10 = 0
So 83901-08-0 is a valid CAS Registry Number.

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83901-08-0Relevant academic research and scientific papers

Mannich reactions of cephalosporin sulphoxides and sulphones with imonium salts. An improved synthesis of 2-methylene-cephalosporins

Gunda

, p. 2979 - 2986 (2007/10/02)

2-Methylenecephem-1-oxides (4) or -1,1-dioxides (6) can be very conveniently obtained through the use of dimethyl(methylene)imonium salts, which can be prepared in situ or in advance from bis(N,N-dimethylamino)methane (2) and a reactive acid derivative.

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