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7-Benzyloxy-8,10-dimethoxy-9-methyl-2,3-dihydro-6H-pyrazino[1,2-b]isoquinoline-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99940-72-4

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99940-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99940-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,4 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99940-72:
(7*9)+(6*9)+(5*9)+(4*4)+(3*0)+(2*7)+(1*2)=194
194 % 10 = 4
So 99940-72-4 is a valid CAS Registry Number.

99940-72-4Upstream product

99940-72-4Relevant academic research and scientific papers

SYNTHESIS OF UNSYMMETRICALLY SUBSTITUTED 2,5-PIPERAZINEDIONES: REGIOSELECTIVE ALKYLATION OF PIPERAZINEDIONE DERIVATIVES

Fukuyama, Tohru,Frank, R. Keith,Laird, Alison A.

, p. 2955 - 2958 (1985)

A variety of unsymmetrically substituted 2,5-piperazinediones have been synthesized by regioselective alkylation of piperazinedione derivatives.

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