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880647-72-3

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880647-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 880647-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,6,4 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 880647-72:
(8*8)+(7*8)+(6*0)+(5*6)+(4*4)+(3*7)+(2*7)+(1*2)=203
203 % 10 = 3
So 880647-72-3 is a valid CAS Registry Number.

880647-72-3Relevant articles and documents

Diastereoselective fischer-type pyrroloindole synthesis and its application to the synthesis of chiral pyrroloindole alkaloids

Nishida, Atsushi,Ushigome, Satoru,Sugimoto, Ayako,Arai, Shigeru

, p. 181 - 185 (2007/10/03)

Facile access to optically active pyrroloindoles by Fischer-type pyrroloindole synthesis is investigated. The reaction using chiral hydrazines prepared from commercially available chiral amines proceeded with diastereoselective cyclization (up to 70% de), and a short-step conversion of the cycloadducts to (-)-desoxyeseroline and pyrroloindole alkaloids was achieved.

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