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696659-62-8

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696659-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 696659-62-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,5 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 696659-62:
(8*6)+(7*9)+(6*6)+(5*6)+(4*5)+(3*9)+(2*6)+(1*2)=238
238 % 10 = 8
So 696659-62-8 is a valid CAS Registry Number.

696659-62-8Relevant articles and documents

Asymmetric synthesis of (R)-( + )- and (S)-( - )-2,3-methylenedioxy-8- oxoberbine (gusanlung D)

Chrzanowska, Maria,Dreas, Agnieszka,Rozwadowska, Maria D.

, p. 1113 - 1120 (2007/10/03)

The reaction of 6,7-methylenedioxy-3,4-dihydroisoquinoline with laterally lithiated o-toluamides in which the amine part derived from (1S,2S) -thiomicamine or (1R,2S)-2-amino-1-phenylpropanol, affording (R)-(+)- and (S)-(-)-2,3-methylenedioxy-8-oxoberbine

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