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265315-65-9

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265315-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 265315-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,5,3,1 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 265315-65:
(8*2)+(7*6)+(6*5)+(5*3)+(4*1)+(3*5)+(2*6)+(1*5)=139
139 % 10 = 9
So 265315-65-9 is a valid CAS Registry Number.

265315-65-9Downstream Products

265315-65-9Relevant articles and documents

General method for the preparation of substituted 2-amino-4H,5H-pyrano[4,3- b]pyran-5-ones and 2-Amino-4H-pyrano[3,2-c]pyridine-5-ones

Stoyanov, Edmont V.,Ivanov, Ivo C.,Heber, Dieter

, p. 19 - 32 (2007/10/03)

Reaction of 4-hydroxy-6-methyl-2-pyrone (1a) as well as 4-hydroxy-6-methyl-2(1H)-pyridones (1b-d) with arylmethylene malononitriles or arylmethylene methyl cyano-acetates (2a-h) leads to the formation of the very stable 5,6-fused bicyclic 2-amino-4H-pyran

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