333963-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 333963-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,9,6 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 333963-31:
(8*3)+(7*3)+(6*3)+(5*9)+(4*6)+(3*3)+(2*3)+(1*1)=148
148 % 10 = 8
So 333963-31-8 is a valid CAS Registry Number.
333963-31-8Relevant articles and documents
Substituted 2-thio-3,5-dicyano-4-aryl-6-aminopyridines and the use thereof
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Page/Page column 28-29, (2008/06/13)
This application relates to compounds of formula (I), wherein R1, R2, R3, and R4 are defined as recited in the claims, or a tautomer, salt, hydrate, or alkoxide thereof. A process for preparing such materials, p