83715-76-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83715-76-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,1 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 83715-76:
(7*8)+(6*3)+(5*7)+(4*1)+(3*5)+(2*7)+(1*6)=148
148 % 10 = 8
So 83715-76-8 is a valid CAS Registry Number.
83715-76-8Relevant articles and documents
Synthesis of Thieno-1,2,4-triazine
Ibrahim, Yehia A.,Abdel-Hady, S. A. L.,Badawy, M. A.,Ghazala, M. A. H.
, p. 913 - 915 (2007/10/02)
3-Methylmercapto-5-oxo-6-vinyl- and 2-methyl-3-mercapto-5-oxo-6-vinyl-2,5-dihydro-1,2,4-triazines were readily converted into the corresponding thieno-1,2,4-triazine in one step by the action of phosphorus pentasulfide in pyridine. 4-Methyl-3-merca
