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Butanenitrile, 3-oxo-2-[(3,4,5-trimethoxyphenyl)methylene]-, (Z)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

92540-07-3

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92540-07-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92540-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,5,4 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 92540-07:
(7*9)+(6*2)+(5*5)+(4*4)+(3*0)+(2*0)+(1*7)=123
123 % 10 = 3
So 92540-07-3 is a valid CAS Registry Number.

92540-07-3Relevant articles and documents

Syntheses of 5-aryl-5,8-dihydropyrido[2,3-d]pyrimidine-2,4-diamines

Troschutz

, p. 709 - 713 (1984)

2,4,6-Triaminopyrimidine is reacted with 3,4,5-trimethoxybenzylidene-1,3-dicarbonyl compounds to yield Michael adducts which are cyclised in acidic medium to the 5,8-dihydropyrido[2,3-d]diamines. The title compounds posses a rigid trimethoprim structure and are of interest as potential inhibitors of dihydrofolate reductase (DHFR).

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