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73725-34-5

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73725-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73725-34-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,2 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73725-34:
(7*7)+(6*3)+(5*7)+(4*2)+(3*5)+(2*3)+(1*4)=135
135 % 10 = 5
So 73725-34-5 is a valid CAS Registry Number.

73725-34-5Relevant articles and documents

RESEARCH ON AMINOMETHYLENE DERIVATIVES OF AZOLES. 24. CYCLIZATION OF THIOHIPPURIC ACID IN THE PRESENCE OF THE VILSMEIER REAGENT

Kvitko, I.Ya.,Smirnova, V.A.,El'tsov, A.V.

, p. 28 - 31 (2007/10/02)

It is shown that, in contrast to hippuric acid, thiohippuric acid reacts with dimethylformamide in the presence of phosphorus oxychloride to give three compounds, viz., 2-phenyl-4-dimethylaminomethylene-5-thiazolone, 2-phenyl-4-dimethylaminomethyleneoxazo

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