76849-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76849-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,4 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76849-21:
(7*7)+(6*6)+(5*8)+(4*4)+(3*9)+(2*2)+(1*1)=173
173 % 10 = 3
So 76849-21-3 is a valid CAS Registry Number.
76849-21-3Relevant articles and documents
THERMOLYSIS OF 4-AZIDOPYRIMIDINES AND 4-AZIDOQUINAZOLINES
Giammanco, Lorenzo,Invidiata, Francesco Paolo
, p. 1459 - 1464 (2007/10/02)
A facile thermolysis of 4-azidopyrimidines and 4-azidoquinazolines leading, by ring contraction, in excellent yields to 1-cyanoimidazoles and benzimidazoles is reported.