134857-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134857-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,5 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134857-87:
(8*1)+(7*3)+(6*4)+(5*8)+(4*5)+(3*7)+(2*8)+(1*7)=157
157 % 10 = 7
So 134857-87-7 is a valid CAS Registry Number.
134857-87-7Relevant academic research and scientific papers
A novel synthesis of both enantiomers of α-hydroxycarboxylic esters and amides from (-)-1-chlorobutyl p-tolyl sulfoxide
Satoh,Onda,Yamakawa
, p. 3567 - 3570 (2007/10/02)
Addition of the carbanion of (-)-1-chlorbutyl p-tolyl sulfoxide to aldehydes gave two adducts, which were converted to both enantiomers of α-hydroxycarboxylic esters or amides in two steps in high overall yields.
