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921155-50-2

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921155-50-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 921155-50-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,1,1,5 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 921155-50:
(8*9)+(7*2)+(6*1)+(5*1)+(4*5)+(3*5)+(2*5)+(1*0)=142
142 % 10 = 2
So 921155-50-2 is a valid CAS Registry Number.

921155-50-2Relevant articles and documents

Synthesis of 7-β-(N,N-dialkylamino)ethoxy derivatives of natural isoflavones and 4-aryl-3-[2-hydroxy-4-β-(N,N-dialkylamino) ethoxy]phenylpyrazoles based on them

Bondarenko

, p. 36 - 40 (2013/06/27)

7-O-β-(N,N-dialkylamino)ethyl derivatives of formononetin, 2-methylformononetin, and cladrin were synthesized. Their recyclization through the action of hydrazine hydrate was studied. A series of 4-aryl-3-[2-hydroxy-4- β-(N,N-dialkylamino)ethoxy]phenylpyr

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