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123532-20-7

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123532-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123532-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,3 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123532-20:
(8*1)+(7*2)+(6*3)+(5*5)+(4*3)+(3*2)+(2*2)+(1*0)=87
87 % 10 = 7
So 123532-20-7 is a valid CAS Registry Number.

123532-20-7Downstream Products

123532-20-7Relevant articles and documents

INVESTIGATIONS IN THE CHROMONE SERIES. PART XVI. REACTIONS OF CHROMONE DERIVATIVES AND 4-THIOCHROMONE WITH METHYLHYDRAZINE

Nawrot-Modranka, Jolanta,Kostka, Krzysztof

, p. 103 - 111 (2007/10/02)

The transformations of 2-methyl-, 2-ethyl- and 2-phenylchromone and 4-thiochromone, 2-methyl- and 8-methyl-4-thiochromone with methylhydrazine were studied.Two series of pyrazoles, A and B, were obtained.The transformations of methyl- and phenylhydrazine with enamino ketones (chromone transformation products) confirmed the course of transformations of chromone derivatives with methylhydrazine.

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