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57948-55-7

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57948-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57948-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,9,4 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57948-55:
(7*5)+(6*7)+(5*9)+(4*4)+(3*8)+(2*5)+(1*5)=177
177 % 10 = 7
So 57948-55-7 is a valid CAS Registry Number.

57948-55-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-nitro-1-oxidopyridin-1-ium-2-carbonyl chloride

1.2 Other means of identification

Product number -
Other names 2-PYRIDINECARBONYL CHLORIDE,4-NITRO-,1-OXIDE

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:57948-55-7 SDS

57948-55-7Relevant articles and documents

APPLICATION OF ORGANOLITHIUM AND RELATED REAGENTS IN SYNTHESIS. PART 7. SYNTHESIS AND METALLATION OF 4-METHOXYPICOLIN- AND 2-METHOXYISONICOTIN-ANILIDES. A USEFUL METHOD FOR PREPARATION OF 2,3,4-TRISUBSTITUTED PYRIDINES

Epsztajn, Jan,Bieniek, Adam,Plotka, Mieczyslaw W.,Suwald, Krzysztof

, p. 7469 - 7476 (2007/10/02)

The synthesis and metallation of 4-methoxypicolin- and 2-methoxyisonicotin-anilides as a way of regiospecific transformation of picolinic and isonicotinic acids into 2,3,4-trisubstituted pyridines, is described.The resulted C-alkylated derivatives underwent smooth acid - catalysed conversion into the corresponding pyridones.

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