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906126-81-6

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906126-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 906126-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,6,1,2 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 906126-81:
(8*9)+(7*0)+(6*6)+(5*1)+(4*2)+(3*6)+(2*8)+(1*1)=156
156 % 10 = 6
So 906126-81-6 is a valid CAS Registry Number.

906126-81-6Relevant articles and documents

Thiourea-catalyzed asymmetric michael addition of activated methylene compounds to α,β-unsaturated imides: Dual activation of imide by intra- and intermolecular hydrogen bonding

Inokuma, Tsubasa,Hoashi, Yasutaka,Takemoto, Yoshiji

, p. 9413 - 9419 (2006)

A thiourea-catalyzed asymmetric Michael addition of activated methylene compounds to α,β-unsaturated imides derived from 2-pyrrolidinone and 2-methoxybenzamide has been developed. In the case of 2-pyrrolidinone derivatives, the reaction with malononitrile

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