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696657-58-6

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696657-58-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 696657-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,5 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 696657-58:
(8*6)+(7*9)+(6*6)+(5*6)+(4*5)+(3*7)+(2*5)+(1*8)=236
236 % 10 = 6
So 696657-58-6 is a valid CAS Registry Number.

696657-58-6Relevant articles and documents

Synthesis of 8,9-dihydro[1,2,4]triazolo[1,5-a]-quinazolin-6(7H)-one derivatives

Petrov,Kasatochkin

, p. 502 - 507 (2013/07/04)

Regioselectivity of the reactions of 1H-1,2,4-triazol-3-amines with 2-acyl-5,5-dimethylcyclohexane-1,3-diones and 2-dimethylaminomethylidene-5,5- dimethylcyclohexane-1,3-dione was studied. In all cases, the products were substituted 8,9-dihydro[1,2,4]triazolo[1,5-a]quinazolin-6(7H)-ones whose structure was determined by 1H and 13C NMR spectroscopy.

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