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42983-73-3

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42983-73-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42983-73-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,8 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42983-73:
(7*4)+(6*2)+(5*9)+(4*8)+(3*3)+(2*7)+(1*3)=143
143 % 10 = 3
So 42983-73-3 is a valid CAS Registry Number.

42983-73-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name N-(1-chloro-9,10-dioxoanthracen-2-yl)acetamide

1.2 Other means of identification

Product number -
Other names 1-Chlor-2-acetamino-anthrachinon

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:42983-73-3 SDS

42983-73-3Relevant articles and documents

New flavanthrone synthesis method

-

Paragraph 0007, (2016/10/31)

The present invention discloses a new flavanthrone synthesis method belonging to the technical field of dye processing. The method is improved on the basis of a traditional process, and comprises six steps, in a condensation step, low-boiling dimethyl formamide is used, and recovery cost is reduced; an anhydrous ferric chloride and copper powder compound catalyst is used to improve reaction efficiency, and in addition, sodium chlorate and hydrochloric acid are used for removing copper, copper removing effect is good, and product competitiveness is enhanced.

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