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189277-01-8

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189277-01-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189277-01-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,2,7 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189277-01:
(8*1)+(7*8)+(6*9)+(5*2)+(4*7)+(3*7)+(2*0)+(1*1)=178
178 % 10 = 8
So 189277-01-8 is a valid CAS Registry Number.

189277-01-8Relevant articles and documents

Synthesis of stable azomethine ylides by the rearrangement of 1,3-dipolar cycloadducts of 3,4-dihydroisoquinoline-2-oxides with DMAD

Co?kun, Necdet,Tun?man, Selen

, p. 1345 - 1350 (2007/10/03)

1-Aryl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolines were prepared according to a one-pot procedure involving the reaction of 2-(3,4- dimethoxyphenyl)-ethylamine with aromatic aldehydes in TFA at reflux. The tetrahydroisoquinolines were treated with Hsub

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