31488-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31488-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,4,8 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 31488-21:
(7*3)+(6*1)+(5*4)+(4*8)+(3*8)+(2*2)+(1*1)=108
108 % 10 = 8
So 31488-21-8 is a valid CAS Registry Number.
31488-21-8Relevant articles and documents
SYNTHESIS AND PROPERTIES OF OXAZOLOXANTHINES
Garmash, S. N.,Priimenko, B. A.,Klyuev, N. A.,Romanenko, N. I.,Golets, V. A.,Kozik, T. A.
, p. 442 - 445 (2007/10/02)
Oxazoloxanthines were synthesized by the reaction of 7-acylalkyl-8-bromo-3-methyl- and -1,3-dimethylxanthines with sodium benzoate in dimethylformamide.Their alkylation with methyl iodine was studied.The reaction of oxazoloxanthines with pri
