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189498-44-0

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189498-44-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189498-44-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,4,9 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189498-44:
(8*1)+(7*8)+(6*9)+(5*4)+(4*9)+(3*8)+(2*4)+(1*4)=210
210 % 10 = 0
So 189498-44-0 is a valid CAS Registry Number.

189498-44-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (S)-3-((3R,4S)-1-benzyl-4-phenyl-pyrrolidine-3-carbonyl)-4-phenyl-oxazolidin-2-one

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:189498-44-0 SDS

189498-44-0Relevant articles and documents

A practical and efficient synthesis of (3R,4S)-1-benzyl-4- phenylpyrrolidine-3- carboxylic acid via an aziridinium ion intermediate

Ohigashi, Atsushi,Kikuchi, Takashi,Goto, Shunsuke

scheme or table, p. 127 - 132 (2010/04/29)

A practical and efficient synthesis of (3R,4S)-1-benzyl4-phenylpyr- rolidine-3-carboxylic acid (1), a key chiral building block for synthesis of biologically active compounds was established by utilizing a stereospecific and regioselective chlorination of in situ generated aziridinium ion, followed by a nitrile anion cyclization. Starting from commercially available (R)-styrene oxide and 3-(benzylamino)propionitrile, the four-step synthesis features a through process without purification of intermediates until isolation of crystalline 1. The robust, chromatography-free and reproducible synthesis of 1 achieved an 84% overall yield from (R)-styrene oxide. This highly efficient process was successfully demonstrated at pilot scale with 17 kg output of 1.

SPIRO COMPOUNDS AND METHODS FOR THE MODULATION OF CHEMOKINE RECEPTOR ACTIVITY

-

Page/Page column 104-105, (2010/02/11)

Compounds of formula I insert formula I from claim 1 wherein X, Y, Z, W, R1 and R2 as defined herein, or pharmaceutically acceptable salts, hydrates or solvates thereof, are useful for the modulation of CCR5 chemokine receptor activity.

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