Cas 91685-88-0,(6R,7S)-3-Bromomethyl-7-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-oxo-4,5-dithia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

91685-88-0

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Basic information

Product Name: (6R,7S)-3-Bromomethyl-7-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-oxo-4,5-dithia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Synonyms: (6R,7S)-3-Bromomethyl-7-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-oxo-4,5-dithia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
CAS NO:91685-88-0
Molecular Formula:
Molecular Weight: 620.704
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,7S)-3-Bromomethyl-7-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-oxo-4,5-dithia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester(CAS DataBase Reference)
NIST Chemistry Reference: (6R,7S)-3-Bromomethyl-7-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-oxo-4,5-dithia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester(91685-88-0)
EPA Substance Registry System: (6R,7S)-3-Bromomethyl-7-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-oxo-4,5-dithia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester(91685-88-0)

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: 91685-88-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91685-88-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,8 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91685-88:
(7*9)+(6*1)+(5*6)+(4*8)+(3*5)+(2*8)+(1*8)=170
170 % 10 = 0
So 91685-88-0 is a valid CAS Registry Number.

91685-88-0Upstream product

87617-54-7 (6R,7S)-7-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-methyl-8-oxo-4,5-dithia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

91685-88-0Downstream Products

91685-88-0Relevant academic research and scientific papers

DESULPHURATIVE APPROACHES TO PENEM ANTIBIOTICS. IV. BROMINATION OF 3-METHYL-2-THIACEPHEMS, A NOVEL ENTRY IN THE SYNTHESIS OF POTENT ANTIMICROBIAL AGENTS

Perrone, Ettore,Alpegiani, Marco,Bedeschi, Angelo,Giudici, Franco,Foglio, Maurizio,Franceschi, Giovanni

, p. 3283 - 3286 (1983)

The 3-methyl group in 2-thiacephem-4-carboxylates can be brominated in good yield, thus providing access to a series of highly active penem antibiotics.

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