85431-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85431-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,4,3 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 85431-77:
(7*8)+(6*5)+(5*4)+(4*3)+(3*1)+(2*7)+(1*7)=142
142 % 10 = 2
So 85431-77-2 is a valid CAS Registry Number.
85431-77-2Relevant articles and documents
(10R, 11R)-(+)-SQUALENE-10, 11-EPOXIDE: ISOLATION FROM LAURENCIA OKAMURAI AND THE ASYMMETRIC SYNTHESIS
Kigoshi, Hideo,Ojika, Makoto,Shizuri, Yoshikazu,Niwa, Haruki,Yamada, Kiyoyuki
, p. 5413 - 5414 (2007/10/02)
From a red alga Laurencia okamurai, (10R, 11R)-(+)-squalene-10, 11-epoxide 1 was isolated and its asymmetric synthesis has been achieved starting from trans, trans-farnesol.