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135211-20-0

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135211-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135211-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,2,1 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135211-20:
(8*1)+(7*3)+(6*5)+(5*2)+(4*1)+(3*1)+(2*2)+(1*0)=80
80 % 10 = 0
So 135211-20-0 is a valid CAS Registry Number.

135211-20-0Relevant articles and documents

Synthetic Approaches to the Naphthyl-isoquinoline Alkaloids. Part 2. The Total Synthesis of (-)-O-Methylancistrocladine and (+)-O-Methylhamatine and their Enantiomers

Rizzacasa, Mark A.,Sargent, Melvyn V.

, p. 845 - 854 (2007/10/02)

An asymmetric total synthesis of the naphthyl-isoquinoline alkaloids (-)-O-methylancistrocladine 39 is described; the synthetic method also provides routes to the atropisomer (+)-O-methylhamatine 43 and the enantiomers of these alkaloids.The asymmetric co

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