137937-32-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137937-32-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,3 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137937-32:
(8*1)+(7*3)+(6*7)+(5*9)+(4*3)+(3*7)+(2*3)+(1*2)=157
157 % 10 = 7
So 137937-32-7 is a valid CAS Registry Number.
137937-32-7Relevant articles and documents
Carbonyl Allylation by Vinyl Epoxides with SnCl2-TBA or SnCl2-LiI: Application to the Diastereoselective Synthesis of 1,3-Diols
Masuyama, Yoshiro,Nakata, Jun,Kurusu, Yasuhiko
, p. 2598 - 2599 (2007/10/02)
Vinyl epoxides reacted with aldehydes in the presence of stannous chloride-tetrabutylammonium bromide or stannous chloride-lithium iodide to produce 2-vinyl-1,3-diols regio- and diastereoselectively.
