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29829-22-9

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29829-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29829-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,8,2 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 29829-22:
(7*2)+(6*9)+(5*8)+(4*2)+(3*9)+(2*2)+(1*2)=149
149 % 10 = 9
So 29829-22-9 is a valid CAS Registry Number.

29829-22-9Upstream product

29829-22-9Relevant articles and documents

Cyclisation reactions of 2-substituted biphenyl-2'-yldiazonium salts leading to O-alkyldibenzofuranium and S-alkyldibenzothiophenium salts: Modified Meerwein reagents

Downie,Heaney,Kemp,King,Wosley

, p. 4005 - 4016 (1992)

The preparation of 2-amino-2'-methoxybiphenyl and 2-amino-2'-thiomethoxybiphenyl and analogues and their transformation into diazonium salts and hence into dibenzofuranium and dibenzothiophenium salts is described together with their use as alkylating agents.

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