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13220-44-5

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13220-44-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13220-44-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,2 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13220-44:
(7*1)+(6*3)+(5*2)+(4*2)+(3*0)+(2*4)+(1*4)=55
55 % 10 = 5
So 13220-44-5 is a valid CAS Registry Number.

13220-44-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-[(4-nitrophenyl)methyl]-1,3-dihydroindol-2-one

1.2 Other means of identification

Product number -
Other names 3-(4-nitro-benzyl)-1,3-dihydro-indol-2-one

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:13220-44-5 SDS

13220-44-5Relevant articles and documents

Chiral N,N′-Dioxide/Scandium(III)-Catalyzed Asymmetric Alkylation of N-Unprotected 3-Substituted Oxindoles

He, Changqiang,Cao, Weidi,Zhang, Jianlin,Ge, Shulin,Feng, Xiaoming

supporting information, p. 4301 - 4305 (2018/10/02)

An efficient enantioselective alkylation of N-unprotected 3-substituted oxindoles was realized by using a chiral N,N′-dioxide/scandium(III) complex as the catalyst. A wide range of 3,3-dialkyl substituted oxindoles with quaternary stereocenters were obtained in high yields and ee values (up to 98% yield and 99% ee). (Figure presented.).

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