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118616-30-1

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118616-30-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118616-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,1 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 118616-30:
(8*1)+(7*1)+(6*8)+(5*6)+(4*1)+(3*6)+(2*3)+(1*0)=121
121 % 10 = 1
So 118616-30-1 is a valid CAS Registry Number.

118616-30-1Relevant articles and documents

A New Synthetic Route to β-Bromoprop-2-ynyl Mixed Acetals and Bromovinyl Bis-allyl Mixed Acetals, Precursors of α-Methylene-γ-Butyrolactones

Dulcere, J. P.,Mihoubi, M. N.,Rodriguez, J.

, p. 237 - 239 (2007/10/02)

Cohalogenation by N-bromosuccinimide in methanol of β-bromoallenyl ethers (3a-g) or allyl allenyl ethers (8d-f) affords unsaturated halogeno-compounds (5a-g) or (9d-f) which are converted via homolytic carbocyclization into α-methylene-γ-butyrolactones (7a-g).

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