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50609-73-9

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50609-73-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50609-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,0 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 50609-73:
(7*5)+(6*0)+(5*6)+(4*0)+(3*9)+(2*7)+(1*3)=109
109 % 10 = 9
So 50609-73-9 is a valid CAS Registry Number.

50609-73-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-(2-ethoxycarbonylethyl)-6-methyl-4-oxopyrido<1,2-a>pyrimidine

1.2 Other means of identification

Product number -
Other names 3-(6-Methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)-propionic acid ethyl ester

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:50609-73-9 SDS

50609-73-9Downstream Products

50609-73-9Relevant articles and documents

Nitrogen Bridgehead Compounds. Part 6. Ring Transformation. Part 3. Thermal Cyclization of Diethyl 2-(2-Pyridylaminomethylene)-succinates and -glutarates

Vasvari-Debreczy, Lelle,Hermecz, Istvan,Meszaros, Zoltan,Dvortsak, Peter,Toth, Gabor

, p. 227 - 232 (2007/10/02)

The pyridylsuccinates (1) and pyridylglutarates (2), with various substituents on the pyridine ring, were cyclized in Dowtherm A at 250 deg C.The succinates cyclized in two competing reaction routes, giving rise to pyridopyrimidines (route A) and N-pyridylpyrrolinones (route B).The ratio of the two products varied with the nature of the substituent and its position.The N-pyridylpyrrolinones proved to be mixtures of the desmotropes (5) and (6) which were separated.The pyridylglutarates (2) gave only the pyridopyrimidines (4).The 6-substituted pyridopyrimidines underwent a ring-transformation reaction at or above 250 deg C, forming the corresponding 1,8-naphthyridines (8) and (9).

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