968-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 968-98-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,6 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 968-98:
(5*9)+(4*6)+(3*8)+(2*9)+(1*8)=119
119 % 10 = 9
So 968-98-9 is a valid CAS Registry Number.
968-98-9Relevant articles and documents
An oxidative free-radical cyclization approach to d,l-Δ8-14-epiestrone-3-methyl ether
Zoretic,Ramchandani,Caspar
, p. 923 - 929 (2007/10/02)
A stereospecific free-radical cyclization of β-keto esters 4 and 5 to cis-hydrindanones 9 and 6, respectively, and conversion of 6 to d,l-14-epiestrone intermediate 8 are resported.