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66946-94-9

66946-94-9

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66946-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66946-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,4 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66946-94:
(7*6)+(6*6)+(5*9)+(4*4)+(3*6)+(2*9)+(1*4)=179
179 % 10 = 9
So 66946-94-9 is a valid CAS Registry Number.

66946-94-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name dimethyl 2-thiophen-2-ylpropanedioate

1.2 Other means of identification

Product number -
Other names Dimethyl-2-thienyl-malonat

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:66946-94-9 SDS

66946-94-9Downstream Products

66946-94-9Relevant articles and documents

S,C-sulfonium ylides from thiophenes: Potential carbene precursors

Stoffregen, Stacey A.,Heying, Melanie,Jenks, William S.

, p. 15746 - 15747 (2008/09/19)

Photolysis of S,C-sulfonium ylides derived from thioanisol, thiophene, benzothiophene, or dibenzothiophene provides products deriving from dicarbomethoxycarbene. In methanol, no rearrangement of the carbene to the ketene derivative is observed. Formation of dibenzothiophene and benzothiophene is quantitative. For the thiophene-based ylide, insertion of the carbene into the α-CH bond of thiophene is observed. Evidence is presented that supports formation of both singlet and triplet carbene. Copyright

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