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102003-15-6

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102003-15-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102003-15-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,0,0 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102003-15:
(8*1)+(7*0)+(6*2)+(5*0)+(4*0)+(3*3)+(2*1)+(1*5)=36
36 % 10 = 6
So 102003-15-6 is a valid CAS Registry Number.

102003-15-6Relevant articles and documents

Safe cyano(nitro)methylating reagent - Michael addition of cyano-aci-nitroacetate leading to δ-functionalized α-nitronitriles

Asahrara, Haruyasu,Muto, Kyo,Nishiwaki, Nagatoshi

, p. 6522 - 6528 (2014)

A practical, convenient, and safe cyano(nitro)methylation method was developed, in which cyano-aci-nitroacetate served as a synthetic equivalent of anionic nitroacetonitrile. A control of the single/double Michael additions was achieved, which enabled the synthesis of unsymmetrical double Michael adducts. Moreover, the Michael adducts can be used as precursors of pyridine and naphthyridine frameworks.

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