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134312-21-3

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134312-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134312-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,1 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134312-21:
(8*1)+(7*3)+(6*4)+(5*3)+(4*1)+(3*2)+(2*2)+(1*1)=83
83 % 10 = 3
So 134312-21-3 is a valid CAS Registry Number.

134312-21-3Relevant articles and documents

Photolytic and solvolytic reactions of β-[o-(aryloxy)phenyl]vinyl bromides. Intramolecular arylation of vinyl cations into dibenzoxepins

Kitamura, Tsugio,Kobayashi, Shinjiro,Taniguchi, Hiroshi,Hori, Kenji

, p. 6240 - 6245 (2007/10/02)

Photolysis of β-[o-(aryloxy)phenyl]vinyl bromides, i.e., 2-[o-(aryloxy)phenyl]-1-bromo-1,2-diphenylethenes 5, in dichloromethane gave dibenz[b,f]oxepins 6 quantitatively. Similar photolysis of vinyl bromides 5 in a mixed solvent of methanol and dichlorome

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