Cas 251980-63-9,(1R,4aR,4bR,7S,8aR,10aR)-1-[2-(2-bromo-4,4-dimethylcyclohex-1-enyl)ethyl]-7-tert-butyldimethylsiloxy-1,4b,8,8,10a-pentamethyldodecahydrophenanthren-2-one

251980-63-9

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Basic information

Product Name: (1R,4aR,4bR,7S,8aR,10aR)-1-[2-(2-bromo-4,4-dimethylcyclohex-1-enyl)ethyl]-7-tert-butyldimethylsiloxy-1,4b,8,8,10a-pentamethyldodecahydrophenanthren-2-one
Synonyms: (1R,4aR,4bR,7S,8aR,10aR)-1-[2-(2-bromo-4,4-dimethylcyclohex-1-enyl)ethyl]-7-tert-butyldimethylsiloxy-1,4b,8,8,10a-pentamethyldodecahydrophenanthren-2-one
CAS NO:251980-63-9
Molecular Formula:
Molecular Weight: 621.858
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: (1R,4aR,4bR,7S,8aR,10aR)-1-[2-(2-bromo-4,4-dimethylcyclohex-1-enyl)ethyl]-7-tert-butyldimethylsiloxy-1,4b,8,8,10a-pentamethyldodecahydrophenanthren-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (1R,4aR,4bR,7S,8aR,10aR)-1-[2-(2-bromo-4,4-dimethylcyclohex-1-enyl)ethyl]-7-tert-butyldimethylsiloxy-1,4b,8,8,10a-pentamethyldodecahydrophenanthren-2-one(251980-63-9)
EPA Substance Registry System: (1R,4aR,4bR,7S,8aR,10aR)-1-[2-(2-bromo-4,4-dimethylcyclohex-1-enyl)ethyl]-7-tert-butyldimethylsiloxy-1,4b,8,8,10a-pentamethyldodecahydrophenanthren-2-one(251980-63-9)

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: 251980-63-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 251980-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,9,8 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 251980-63:
(8*2)+(7*5)+(6*1)+(5*9)+(4*8)+(3*0)+(2*6)+(1*3)=149
149 % 10 = 9
So 251980-63-9 is a valid CAS Registry Number.

251980-63-9Upstream product

251980-63-9Downstream Products

251980-64-0 (1R,4aR,4bR,7S,8aR,10aR)-1-[2-(2-bromo-4,4-dimethylcyclohex-1-enyl)ethyl]-7-tert-butyldimethylsiloxy-1,4b,8,8,10a-pentamethyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydrophenanthren-2-yl trifluoromethanesulfonate

251980-63-9Relevant academic research and scientific papers

An exceptionally short and simple enantioselective total synthesis of pentacyclic triterpenes of the β-amyrin family

Huang, Alan X.,Xiong, Zhaoming,Corey

, p. 9999 - 10003 (2007/10/03)

A new and very direct enantioselective total synthesis of members of the β-amyrin family of pentacyclic triterpenes has been developed starting with acylsilane 5, 2-propenyllithium, and cyclohexenylmethyl bromide 6, which were assembled to form tetraene 7

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