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79492-23-2

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79492-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79492-23-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,9 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79492-23:
(7*7)+(6*9)+(5*4)+(4*9)+(3*2)+(2*2)+(1*3)=172
172 % 10 = 2
So 79492-23-2 is a valid CAS Registry Number.

79492-23-2Relevant articles and documents

PHOTOREACTIONS OF 4- AND 3-AZIDOCOUMARINS IN THE PRESENCE OF NUCLEOPHILES

Ito, Keiichi,Higuchi, Yukako,Tame, Chika,Hariya, Junko

, p. 937 - 947 (2007/10/02)

The photoreactions of 4-azidocoumarins (1) and 3-azidocoumarin (2) in the presence of nucleophiles such as alcohols, thiol or amines generally gave 4-substituted 3-amino- and/or 3-substituted 4-aminocoumarins, while pyrone ring fission with incorporation of two moles of nucleophile was observed in the reaction of 1 in the presence of primary or secondary aliphatic amine as a nucleophile.Plausible mechanisms for these reactions are suggested.

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