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89974-38-9

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89974-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89974-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,7 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89974-38:
(7*8)+(6*9)+(5*9)+(4*7)+(3*4)+(2*3)+(1*8)=209
209 % 10 = 9
So 89974-38-9 is a valid CAS Registry Number.

89974-38-9Downstream Products

89974-38-9Relevant articles and documents

Elaboration of α-Substituted Benzyl Ethers and Sulphides by Suppression of the Wittig and Related Rearrangements

Davies, Stephen G.,Holman, Nicholas J.,Laughton, Charles A.,Mobbs, Bryan E.

, p. 1316 - 1317 (1983)

Co-ordination of benzyl alkyl ethers and sulphides to chromium tricarbonyl allows α-substitution via the corresponding α-carbanions to be achieved by suppression of the Wittig and related rearrangements.

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