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213999-90-7

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213999-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213999-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,9,9 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 213999-90:
(8*2)+(7*1)+(6*3)+(5*9)+(4*9)+(3*9)+(2*9)+(1*0)=167
167 % 10 = 7
So 213999-90-7 is a valid CAS Registry Number.

213999-90-7Relevant articles and documents

A new protocol for the syntheses of (E)-3-benzylidenechroman-4-ones: A simple synthesis of the methyl ether of bonducellin

Basavaiah, Deevi,Bakthadoss, Manickam,Pandiaraju, Subramanian

, p. 1639 - 1640 (2007/10/03)

Development of a simple new methodology for the synthesis of (E)-3-benzylidenechroman-4-ones using methyl 3-aryl-3-hydroxy-2-methylenepropanoates, the Baylis-Hillman adducts derived from methyl acrylate, and the application of this methodology for the syn

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