83983-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83983-12-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,8 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83983-12:
(7*8)+(6*3)+(5*9)+(4*8)+(3*3)+(2*1)+(1*2)=164
164 % 10 = 4
So 83983-12-4 is a valid CAS Registry Number.
83983-12-4Relevant articles and documents
Heterocycles LVII: Syntheses of thiazolo[4,5-d]pyridazines
Simiti,Coman
, p. 1013 - 1017 (2007/10/02)
The syntheses of some 4-substituted 5-ethoxycarbonyl-2-phenylthiazoles and of some 7-substituted thiazolo[4,5-d]pyridazines are described.