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1393729-26-4

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1393729-26-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1393729-26-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,7,2 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1393729-26:
(9*1)+(8*3)+(7*9)+(6*3)+(5*7)+(4*2)+(3*9)+(2*2)+(1*6)=194
194 % 10 = 4
So 1393729-26-4 is a valid CAS Registry Number.

1393729-26-4Upstream product

1393729-26-4Relevant articles and documents

An efficient method for the construction of polysubstituted 4-pyridones via self-condensation of β-keto amides mediated by P2O5 and catalyzed by zinc bromide

Tan, Liquan,Zhou, Peng,Chen, Cui,Liu, Weibing

supporting information, p. 2681 - 2687 (2014/01/06)

A self-condensation cyclization reaction mediated by phosphorus pentoxide (P2O5) and catalyzed by zinc bromide (ZnBr2) is presented for the synthesis of polysubstituted 4-pyridones and 2-pyridones from β-keto amides. A var

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