34724-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34724-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,7,2 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 34724-40:
(7*3)+(6*4)+(5*7)+(4*2)+(3*4)+(2*4)+(1*0)=108
108 % 10 = 8
So 34724-40-8 is a valid CAS Registry Number.
34724-40-8Relevant articles and documents
Isomerization of methyl (9Z)-12-Oxooctadec-9-enoate
Davletbakova,Baibulatova,Dokichev,Yunusova,Yunusov
, p. 781 - 783 (2001)
Methyl (9Z)-12-oxooctadec-9-enoate isomerizes stereoselectively in 86% yield into methyl (10E)-12-octadec-10-enoate in the presence of a complex H2O2-BF3-Et2O.