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28528-49-6

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28528-49-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28528-49-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,2 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28528-49:
(7*2)+(6*8)+(5*5)+(4*2)+(3*8)+(2*4)+(1*9)=136
136 % 10 = 6
So 28528-49-6 is a valid CAS Registry Number.

28528-49-6SDS

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 N-[(dichlorophosphinoyloxy)methylene]-N-methylmethanammonium chloride

1.2 Other means of identification

Product number -
Other names Vilsmeier reagent

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:28528-49-6 SDS

28528-49-6Upstream product

28528-49-6Relevant articles and documents

Generation of Phosphorus Oxychloride as by-Product from Phosphorus Pentachloride and DMF and its Use for Chlorination Reaction by Converting Into Vilsmeier-Haack Reagent

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Page/Page column title page; 2-3; Fig.1, (2009/05/28)

A process is described wherein after formation of first crop of Vilsmeier-Haack reagent by reacting Phosphorus Pentachloride with N,N-dimethylformamide to form a first crop of Vilsmeier reagent as insoluble crystals, a by-product of this reaction, the Phosphorus Oxy-Chloride, reacts with N,N-dimethylformamide to give a second crop of Vilsmeier reagent. This second crop of Vilsmeier reagent is soluble in DMF. This process makes it possible to double the yield of chlorinated substrate, such as sucrose-6-acetate or sucrose-6-benzoate, from the same quantity of Phosphorus Pentachloride.

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