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155897-13-5

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155897-13-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155897-13-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,9 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 155897-13:
(8*1)+(7*5)+(6*5)+(5*8)+(4*9)+(3*7)+(2*1)+(1*3)=175
175 % 10 = 5
So 155897-13-5 is a valid CAS Registry Number.

155897-13-5Relevant articles and documents

Total synthesis of pyranicin

Strand, Daniel,Rein, Tobias

, p. 199 - 202 (2007/10/03)

(Chemical Equation Presented) A stereocontrolled convergent synthesis of the annonaceous acetogenin pyranicin (1) is presented. Asymmetric Horner-Wadsworth-Emmons (HWE) reactions were used to access key intermediates. The tetrahydropyran derivative 2 was

Kinetische Enantiomerentrennung des Acrolein-Dimers durch asymmetrische Horner-Wadsworth-Emmons-Reaktionen

Rein, Tobias,Kann, Nina,Kreuder, Reinhard,Gangloff, Benoit,Reiser, Oliver

, p. 597 - 599 (2007/10/02)

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