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120132-02-7

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120132-02-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120132-02-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,3 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120132-02:
(8*1)+(7*2)+(6*0)+(5*1)+(4*3)+(3*2)+(2*0)+(1*2)=47
47 % 10 = 7
So 120132-02-7 is a valid CAS Registry Number.

120132-02-7Relevant articles and documents

Enantiospecific synthesis of (-)-3-iso-19,20-dehydro-β-yohimbine from secologanin: A route to normal and pseudo stereoisomers of yohimbine

Brown, Richard T.,Pratt, Simon B.,Richards, Paul

, p. 5627 - 5630 (2000)

Hydrolysis of secologanin ethylene acetal at pH 7 resulted in stereoselective aldol cyclisation to a cyclohexene aldehyde, which, on reductive amination and cyclisation with tryptamine afforded (-)-3-iso-19,20- dehydro-β-yohimbine, converted into various normal and pseudo isomers of yohimbine. (C) 2000 Elsevier Science Ltd.

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