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1,1,3,3-Propanetetracarboxylicacid, 2-methyl-, tetraethyl ester (6CI,7CI,8CI,9CI)
Cas No: 4525-30-8
USD $ 3.0-3.0 / Kilogram
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Dayang Chem (Hangzhou) Co.,Ltd.
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4525-30-8
Cas No: 4525-30-8
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Henan Tianfu Chemical Co., Ltd.
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1,1,3,3-Propanetetracarboxylicacid, 2-methyl-, tetraethyl ester (6CI,7CI,8CI,9CI) cas 4525-30-8
Cas No: 4525-30-8
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Hangzhou Fandachem Co.,Ltd
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4525-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4525-30-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,2 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4525-30:
(6*4)+(5*5)+(4*2)+(3*5)+(2*3)+(1*0)=78
78 % 10 = 8
So 4525-30-8 is a valid CAS Registry Number.

4525-30-8SDS

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	tetraethyl 2-methylpropane-1,1,3,3-tetracarboxylate

1.2 Other means of identification

Product number	-
Other names	2-methyl-propane-1,1,3,3-tetracarboxylic acid tetraethyl 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:4525-30-8 SDS

4525-30-8Upstream product

4525-30-8Downstream Products

4525-30-8Relevant articles and documents

Zinc- and indium-promoted conjugate addition-cyclization reactions of ethenetricarboxylates with propargylamines and alcohol: Novel methylenepyrrolidine and methylenetetrahydrofuran syntheses

Morikawa, Satoshi,Yamazaki, Shoko,Furusaki, Yoshiteru,Amano, Naoya,Zenke, Kazumi,Kakiuchi, Kiyomi

, p. 3540 - 3544 (2007/10/03)

A new zinc- and indium-promoted conjugate addition-cyclization reaction to afford nitrogen- and oxygen-containing five-membered heterocycles has been developed. Reaction of ethenetricarboxylates with propargylamines (1 equiv) in the presence of ZnBr2 or InBr3 afforded methylenepyrrolidines in high yields. The stoichiometric use of ZnBr2 or InBr3 at room temperature and the catalytic use of InBr 3-Et3N at 80°C were effective. Reaction of ethenetricarboxylates with propargyl alcohol in the presence of ZnBr2 or InBr3 afforded methylenetetrahydrofurans.

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CAS

4525-30-8