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173933-98-7

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173933-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173933-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,9,3 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 173933-98:
(8*1)+(7*7)+(6*3)+(5*9)+(4*3)+(3*3)+(2*9)+(1*8)=167
167 % 10 = 7
So 173933-98-7 is a valid CAS Registry Number.

173933-98-7Relevant articles and documents

A convenient approach to diastereomerically pure 1,3,4-trisubstituted pyrrolidin-2-ones by intramolecular cyclisation of N-(2-alken-1-yl)amides mediated by Mn(III). An entry to both (R)- and (S)-3-pyrrolidineacetic acid

Galeazzi, Roberta,Mobbili, Giovanna,Orena, Mario

, p. 1069 - 1084 (2007/10/03)

The oxidative cyclisation of a series of either (S)-N-(2-alken-1-yl)-N-(1-phenyleth-1-yl)-acetoacetamides 5a-d and methoxycarbonylacetamides 6a-b, performed by using Mn(OAc)3 · 2H2O and Cu(OAc)2 · H2O in acetic

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