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71647-78-4

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71647-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71647-78-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,4 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71647-78:
(7*7)+(6*1)+(5*6)+(4*4)+(3*7)+(2*7)+(1*8)=144
144 % 10 = 4
So 71647-78-4 is a valid CAS Registry Number.

71647-78-4Downstream Products

71647-78-4Relevant articles and documents

THERMAL REARRANGEMENT OF FUNCTIONALIZED 1,2-DIVINYLCYCLOPROPANE SYSTEMS. A CONVENIENT SYNTHESIS OF SUBSTITUTED 4-CYCLOHEPTEN-1-ONES

Piers, Edward,Burmeister, Max S.,Reissig, Hans-Ulrich

, p. 180 - 187 (2007/10/02)

Reaction of the acyl chlorides 14-21 with lithium (phenylthio)(cis-2-vinylcyclopropyl)cuprate (2) provided the ketones 22-29.Compounds 22-25, upon treatment with i-Pr2NLi-Me3SiCl, were converted cleanly into the enol silyl ethers 30-33, which gave the 1,4

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