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690993-33-0

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690993-33-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 690993-33-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,9,9 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 690993-33:
(8*6)+(7*9)+(6*0)+(5*9)+(4*9)+(3*3)+(2*3)+(1*3)=210
210 % 10 = 0
So 690993-33-0 is a valid CAS Registry Number.

690993-33-0Downstream Products

690993-33-0Relevant articles and documents

Total syntheses of (-)-vallesamidine and related Aspidosperma and Hunteria type indole alkaloids from the common intermediate

Tanino, Hideo,Fukuishi, Kazuhisa,Ushiyama, Mina,Okada, Kunisuke

, p. 3273 - 3282 (2007/10/03)

A new synthetic method of (-)-vallesamidine, including a unique 2,2,3-trialkylindoline skeleton, was developed by reductive radical cyclization reaction from the 2,3-dialkylindole derivative, which has been known to be an intermediate for the synthesis of

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