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1384186-22-4

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1384186-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1384186-22-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,4,1,8 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1384186-22:
(9*1)+(8*3)+(7*8)+(6*4)+(5*1)+(4*8)+(3*6)+(2*2)+(1*2)=174
174 % 10 = 4
So 1384186-22-4 is a valid CAS Registry Number.

1384186-22-4Relevant articles and documents

A ring-closing metathesis-based approach to the synthesis of (+)-tetrabenazine

Johannes, Manuel,Altmann, Karl-Heinz

, p. 3752 - 3755 (2012/09/07)

A modular stereoselective synthesis of the vesicular monoamine transport inhibitors (+)-tetrabenazine ((+)-1) and (+)-α-dihydrotetrabenazine ((+)-2) has been developed. The approach is based on amine 4 and acid 5 as the key building blocks, which were elaborated into macrolactam 3 by amide coupling and a subsequent highly E-selective RCM reaction. Macrolactam 3 could be converted into tetrabenazine in three known steps.

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