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90380-29-3

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90380-29-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90380-29-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,8 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90380-29:
(7*9)+(6*0)+(5*3)+(4*8)+(3*0)+(2*2)+(1*9)=123
123 % 10 = 3
So 90380-29-3 is a valid CAS Registry Number.

90380-29-3Relevant articles and documents

STUDIES IN THE GROUP OF CHROMONE DERIVATIVES. PART XIII. REACTIONS OF SOME DERIVATIVES OF 2-CHROMONECARBOXYLIC ACID WITH ETHYLENEDIAMINE AND ITS DERIVATIVES

Kostka, Krzysztof,Owczarek, Malgorzata

, p. 103 - 109 (2007/10/02)

Investigations have been carried out on reactions of 6-methyl-, 8-methyl- and 6-nitro-2-chromonecarboxylic acids with ethylene-, N-methyl-ethylene- and N,N-diethylethylenediamine.Two series of 2,3-dihydro-1,4-diazepinecarboxylic acids were obtained.Under

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