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77218-66-7

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77218-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77218-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,1 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77218-66:
(7*7)+(6*7)+(5*2)+(4*1)+(3*8)+(2*6)+(1*6)=147
147 % 10 = 7
So 77218-66-7 is a valid CAS Registry Number.

77218-66-7Relevant articles and documents

Substitution and Elimination Reactions via One Electron Transfer Process. A New Olefin Synthesis from β-Nitro Sulfones

Ono, Noboru,Tamura, Rui,Nakatsuka, Tamon,Hayami, Jun-ichi,Kaji, Aritsune

, p. 3295 - 3300 (2007/10/02)

gem-Bromonitro compounds or gem-dinitro compounds couple with carbanions derived from α-cyano sulfones or α-carbonyl sulfones to give β-nitro sulfones.The nitro and sulfonyl groups are eliminated from the coupling products on treatment with reductive one electron transfer reagents to give α,β-unsaturated carbonyl compounds or nitriles.

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