92757-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92757-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,7,5 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 92757-20:
(7*9)+(6*2)+(5*7)+(4*5)+(3*7)+(2*2)+(1*0)=155
155 % 10 = 5
So 92757-20-5 is a valid CAS Registry Number.
92757-20-5Relevant articles and documents
ALDOL METHODOLOGY: SYNTHESIS OF SYN-3-HYDROXY-2-VINYLCARBONYL COMPOUNDS
Boschelli, Diane,Ellingboe, John W.,Masamune, Satoru
, p. 3395 - 3398 (2007/10/02)
A direct approach to syn-3-hydroxy-2-vinylcarbonyl compounds via a boron-mediated aldol reaction with (S)-1-cyclohexyl-1-triethylsilyloxypenta-3(Z)-en-2-one (6c) is described.
