157399-07-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157399-07-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,9 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 157399-07:
(8*1)+(7*5)+(6*7)+(5*3)+(4*9)+(3*9)+(2*0)+(1*7)=170
170 % 10 = 0
So 157399-07-0 is a valid CAS Registry Number.
157399-07-0Relevant articles and documents
An improved procedure for aldehyde-to-alkyne homologation via 1,1-dibromoalkenes: Synthesis of 1-bromoalkynes
Grandjean,Pale,Chuche
, p. 3529 - 3530 (1994)
1,1-Dibromoalkenes, 1-bromoalkynes and alkynes could be obtained in excellent yields by homologation of functionalized aldehydes through a modified Mc Kelvie-Corey procedure.