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91099-09-1

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91099-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91099-09-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,9 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91099-09:
(7*9)+(6*1)+(5*0)+(4*9)+(3*9)+(2*0)+(1*9)=141
141 % 10 = 1
So 91099-09-1 is a valid CAS Registry Number.

91099-09-1SDS

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 1-(2-acetyl-5-methoxyphenyl)urea

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:91099-09-1 SDS

91099-09-1Downstream Products

91099-09-1Relevant articles and documents

Central Nervous System Active Compounds. XIV On the Cyclization of N-Acyl-N'-arylureas

Heinicke, Grant,Hung, Tran V.,Prager, Rolf H.,Ward, A. David

, p. 831 - 844 (2007/10/02)

The cyclization of N-acyl-N'-arylureas in polyphosphoric acid has been reinvestigated.The product is not only the 4-substituted quinazolin-2(1H)-one as reported, but also contains the 2-acylaniline in major proportions.Two minor products have also been isolated.At 80 deg, an intermediate has been detected, the properties of which are consistent with it being the corresponding 2-acylphenylurea.Acyl ureas with strongly electron-withdrawing acyl groups from major amount of the corresponding anilide by the formal loss of cyanic acid.The application of this reaction tothe synthesis of quinazolinylphthalides has been investigated.

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