1268381-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1268381-54-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,3,8 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1268381-54:
(9*1)+(8*2)+(7*6)+(6*8)+(5*3)+(4*8)+(3*1)+(2*5)+(1*4)=179
179 % 10 = 9
So 1268381-54-9 is a valid CAS Registry Number.
1268381-54-9Relevant articles and documents
Synthesis of 12-oxa, 12-aza and 12-thia cholanetriols
Ibrahim-Ouali, Malika,Hamze, Khalil,Rocheblave, Luc
, p. 324 - 330 (2011)
An efficient synthesis of 12-hetero steroids was achieved via a Baeyer-Villiger oxidation and a photolysis as the key steps. We set out to describe in this paper the first synthesis of 12-aza steroids. The characteristic 1H and 13C N
