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874974-22-8

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874974-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874974-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,9,7 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 874974-22:
(8*8)+(7*7)+(6*4)+(5*9)+(4*7)+(3*4)+(2*2)+(1*2)=228
228 % 10 = 8
So 874974-22-8 is a valid CAS Registry Number.

874974-22-8Relevant articles and documents

The effect of fluoromethyl groups on the diastereoselectivity in the electrophilic alkylation

Tamura, Kenji,Yamazaki, Takashi,Kitazume, Tomoya,Kubota, Toshio

, p. 918 - 930 (2005)

The effect of fluoromethyl groups on the diastereoselectivity in the electrophilic alkylation is described. In particular, the electrophilic alkylation of enolates with a trifluoromethyl group was proceeded with highly diastereofacial selectivity based on the steric and/or electrostatic effect of substituent with strong electron withdrawing.

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