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66217-71-8

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66217-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66217-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,1 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 66217-71:
(7*6)+(6*6)+(5*2)+(4*1)+(3*7)+(2*7)+(1*1)=128
128 % 10 = 8
So 66217-71-8 is a valid CAS Registry Number.

66217-71-8Relevant articles and documents

Diastereoselective addition of Di-(trimethylsilyl)phosphite to chiral N-(R)-α-methylbenzyl and N-(1-methoxycarbonyl-iso-pentyl) Schiff bases of various aldehydes

Lewkowski, Jaroslaw,Karpowicz, Rafal

experimental part, p. 326 - 331 (2011/04/16)

The addition of bis-(trimethylsilyl) phosphite to chiral imines of several aldehydes was diastereoselective. The separation of predominant diastereoisomers of a majority of formed aminophosphonic acids has been observed. Moreover, the ferrocene-derived ac

ASYMMETRIC ADDITION OF TRIS(TRIMETHYLSILYL) PHOSPHITE TO CHIRAL ALDIMINES

ZON, Jerzy

, p. 643 - 646 (2007/10/02)

Addition of tris(trimethylsilyl) phosphite (2) to (+)-(R)-1-phenylethylaldimines (1) and methanolysis of addition products affords(+)-N-(1-phenyethyl)-1-aminoalkanophosphonic acids (3).Chemical yields and diastereomeric composition of 3 vary from 10 to 90

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