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638163-81-2

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638163-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 638163-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,8,1,6 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 638163-81:
(8*6)+(7*3)+(6*8)+(5*1)+(4*6)+(3*3)+(2*8)+(1*1)=172
172 % 10 = 2
So 638163-81-2 is a valid CAS Registry Number.

638163-81-2Downstream Products

638163-81-2Relevant articles and documents

Competitive intramolecular Diels-Alder reactions of bis-α,β-unsaturated ester derivatives of enzymatically derived and enantiopure cis-1,2-dihydrocatechols. Enantiodivergent synthesis of monochiral bicyclo[2.2.2]oct-2-enes

Banwell, Martin G.,Chun, Cai,Edwards, Alison J.,Voegtle, Markus M.

, p. 861 - 869 (2003)

bis-Crotonate and related α,β-unsaturated ester derivatives of readily available and enantiomerically pure cis-1,2-dihydrocatechols engage, upon heating in refluxing toluene, in two competitive intramolecular Diels-Alder reactions to give varying mixtures

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