Cas 120442-92-4,(3S,4R)-4-((R)-2-Benzyloxy-1-methyl-ethyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1-methoxy-azetidin-2-one

120442-92-4

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Basic information

Product Name: (3S,4R)-4-((R)-2-Benzyloxy-1-methyl-ethyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1-methoxy-azetidin-2-one
Synonyms:
CAS NO:120442-92-4
Molecular Formula:
Molecular Weight: 407.626
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: (3S,4R)-4-((R)-2-Benzyloxy-1-methyl-ethyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1-methoxy-azetidin-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (3S,4R)-4-((R)-2-Benzyloxy-1-methyl-ethyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1-methoxy-azetidin-2-one(120442-92-4)
EPA Substance Registry System: (3S,4R)-4-((R)-2-Benzyloxy-1-methyl-ethyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1-methoxy-azetidin-2-one(120442-92-4)

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: 120442-92-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 120442-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,4,4 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120442-92:
(8*1)+(7*2)+(6*0)+(5*4)+(4*4)+(3*2)+(2*9)+(1*2)=84
84 % 10 = 4
So 120442-92-4 is a valid CAS Registry Number.

120442-92-4Upstream product

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120442-92-4Relevant academic research and scientific papers

A New Synthetic Route to the Key Precursor of 1β-Methylcarbapenem Antibiotics from (S)-Methyl 3-Hydroxy-2-methylpropanoate

Shirai, Fumiyuki,Nakai, Takeshi

, p. 445 - 448 (2007/10/02)

A new synthetic route to the 1β-methylcarbapenem precursor from (S)-methyl 3-hydroxy-2-methylpropanoate has been developed which involves as a key step the chelation-controlled aldol reaction of (S)-3-benzyloxy-2-methylpropanal with ketene trimethylsilyl acetal of ethyl (trimethylsilyl)acetate.

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