26217-36-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26217-36-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,2,1 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26217-36:
(7*2)+(6*6)+(5*2)+(4*1)+(3*7)+(2*3)+(1*6)=97
97 % 10 = 7
So 26217-36-7 is a valid CAS Registry Number.
26217-36-7Relevant articles and documents
An improved procedure for the preparation of 8-substituted guanines
Xu, Ming,De Giacomo, Fabio,Paterson, Duncan E.,George, Tesmol G.,Vasella, Andrea
, p. 1452 - 1453 (2007/10/03)
The preparation of 8-substituted guanines using a new phosphorus(III)-mediated cyclisation of 4-acylamino-5-nitrosopyrimidines as the key step is described.