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1390626-97-7

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1390626-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1390626-97-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,0,6,2 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1390626-97:
(9*1)+(8*3)+(7*9)+(6*0)+(5*6)+(4*2)+(3*6)+(2*9)+(1*7)=177
177 % 10 = 7
So 1390626-97-7 is a valid CAS Registry Number.

1390626-97-7Relevant articles and documents

A novel and highly efficient protocol for the synthesis of chalcone based 1,2-diazepine and 1,2-oxazepine derivatives

Babu, B. Venkata,Ahmed, Naseem

experimental part, p. 1155 - 1177 (2012/07/27)

A novel and highly efficient protocol is described for the synthesis of chalcone based 1,2-diazepine and 1,2-oxazepine derivatives. Under neat condition, the mixing and grinding of 1,5-diketones and hydrazine gave the cyclocondensation products in quantitative yields within 10-20 min at room temperature. Similarly, novel chalcone based 1,2-oxazepines were synthesized in excellent yields (85-88%) in 2-3 h at refluxed by the condensation of 1,5-diktones and hydroxylamine hydrochloride in water-ethanolic base.

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