137156-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137156-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,5 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137156-20:
(8*1)+(7*3)+(6*7)+(5*1)+(4*5)+(3*6)+(2*2)+(1*0)=118
118 % 10 = 8
So 137156-20-8 is a valid CAS Registry Number.
137156-20-8Relevant articles and documents
Biomimetic transalkylation of olefins via sulfonium salts
Julia,McDonald,Caroli Rezende
, p. 6939 - 6950 (2007/10/02)
The biomimetic transalkylation of 2-methyl-2-octene utilizing alkyl sulfonium salts is discussed in terms of the structure of the salt and the nature of the alkyl group.