226943-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226943-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,4 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 226943-66:
(8*2)+(7*2)+(6*6)+(5*9)+(4*4)+(3*3)+(2*6)+(1*6)=154
154 % 10 = 4
So 226943-66-4 is a valid CAS Registry Number.
226943-66-4Relevant articles and documents
A simple and convenient method for the deprotection of tetrahydropyranyl ether using iodine in methanol
Ramasamy, Kanda S.,Bandaru, Rajanikanth,Averett, Devron
, p. 2881 - 2894 (1999)
A simple and efficient method for the deprotection of tetrahydropyranyl and 4,4'-dimethoxytrityl ethers using iodine in methanol is described.