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133056-55-0

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133056-55-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133056-55-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,5 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133056-55:
(8*1)+(7*3)+(6*3)+(5*0)+(4*5)+(3*6)+(2*5)+(1*5)=100
100 % 10 = 0
So 133056-55-0 is a valid CAS Registry Number.

133056-55-0Upstream product

133056-55-0Downstream Products

133056-55-0Relevant articles and documents

Synthetic Approaches to the Alkaloids of the Ancistrocladaceae. Part 3. The Total Synthesis of (-)-Ancistrocladinine: Control of the Diastereoisomer Excess in the Synthesis of Axially Chiral Biaryls.

Rizzacasa, Mark A.,Sargent, Melvyn V.

, p. 2773 - 2782 (2007/10/02)

The total synthesis of the naphthylisoquinoline alkaloid (-)-ancistrocladinine is described.The key step was the construction of the disymmetric bi

Synthetic Approaches to the Alkaloids of the Ancistrocladaceae: (-)-O-Methylancistrocladine and (+)-O-Methylhamatine

Rizzacasa, Mark A.,Sargent, Melvyn V.

, p. 894 - 896 (2007/10/02)

An asymmetric total synthesis of the naphthylisoquinoline alkaloid (-)-O-methylancistrocladine (2) is described; the synthetic method also provides routes to the atropisomer O-methylhamatine (4) and the enantiomers of these alkaloids.

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