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145325-80-0

145325-80-0

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145325-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145325-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,3,2 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 145325-80:
(8*1)+(7*4)+(6*5)+(5*3)+(4*2)+(3*5)+(2*8)+(1*0)=120
120 % 10 = 0
So 145325-80-0 is a valid CAS Registry Number.

145325-80-0SDS

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 ethyl 1-ethoxy-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate

1.2 Other means of identification

Product number -
Other names 1-Ethoxy-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic 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:145325-80-0 SDS

145325-80-0Downstream Products

145325-80-0Relevant articles and documents

Heterocyclic Synthesis with Azides. I. The Reaction of Hydrazoic Acid with Ethoxymethylenemalonate

Donkor, Augustine,Prager, Rolf H.,Thompson, Malcolm J.

, p. 1571 - 1576 (2007/10/02)

Reaction of diethyl ethoxymethylenemalonate with sodium azide in trifluoroacetic acid at 20 deg gives ethyl 5-ethoxyisoxazole-4-carboxylate (67percent), diethyl cyanomalonate (21percent) and diethyl ethoxyaminomethylenmalonate (5percent).The last compound and its tautomer are converted into ethyl 1-ethoxy-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate.The product structures have been confirmed by synthesis or degradation.

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