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156481-94-6

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156481-94-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156481-94-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,8 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156481-94:
(8*1)+(7*5)+(6*6)+(5*4)+(4*8)+(3*1)+(2*9)+(1*4)=156
156 % 10 = 6
So 156481-94-6 is a valid CAS Registry Number.

156481-94-6Relevant articles and documents

Utilization of Industrial Waste Materials, 1. - Synthesis of New Primary and Secondary Chiral 1,2-Diamines

Stingl, Klaus,Martens, Juergen

, p. 243 - 250 (2007/10/02)

Primary and secondary 1,2-diamines with three or four stereogenic centers were synthesized starting from the benzyl ester of the bicyclic proline analogue (all-R)-2-azabicyclooctane-3-carboxylic acid by a four- or five-step procedure.This is an example for the utilization of the industrial waste material (all-R)-2b. - Key Words: 1,2-Diamines / 2-Azabicyclooctanes / Proline analogue / Cyclopentapyrroles

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