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193604-38-5

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193604-38-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193604-38-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,6,0 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 193604-38:
(8*1)+(7*9)+(6*3)+(5*6)+(4*0)+(3*4)+(2*3)+(1*8)=145
145 % 10 = 5
So 193604-38-5 is a valid CAS Registry Number.

193604-38-5Relevant articles and documents

Total syntheses and anticholinesterase activities of (3aS)-N(8)- norphysostigmine, (3aS)-N(8)-norphenserine, their antipodal isomers, and other N(8)-substituted analogues

Yu, Qian-Sheng,Pei, Xue-Feng,Holloway, Harold W.,Greig, Nigel H.,Brossi, Arnold

, p. 2895 - 2901 (2007/10/03)

N(8)-Benzylesermethole (6) was prepared from 5-methoxytryptamine (1) in five steps. Resolution of compound 6 by dibenzoyl- and ditoluyltartaric acid provided enantiomers (-)- and (+)7. After demethylation, reaction with isocyanates and catalytic debenzyla

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