437717-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 437717-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,7,1 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 437717-21:
(8*4)+(7*3)+(6*7)+(5*7)+(4*1)+(3*7)+(2*2)+(1*1)=160
160 % 10 = 0
So 437717-21-0 is a valid CAS Registry Number.
437717-21-0Relevant articles and documents
Method for the production of 2-(2-ethoxyphenyl)-substituted imidazotriazinones
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, (2008/06/13)
The invention relates to a method for the production of 2-phenyl-substituted imidazotriazinones of general formula (I), comprising the reaction of compounds of formula (II) with compounds of formula (III) and subsequent reaction with iodine or bromine, th
