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2-BroMo-3,4-Dibutylthiophene
Cas No: 349481-77-2
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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD
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349481-77-2
Cas No: 349481-77-2
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Shanghai PotentPharm Science and Technology Co.,Ltd
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2-BroMo-3,4-Dibutylthiophene
Cas No: 349481-77-2
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Hefei TNJ Chemical Industry Co.,Ltd.
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349481-77-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 349481-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,9,4,8 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 349481-77:
(8*3)+(7*4)+(6*9)+(5*4)+(4*8)+(3*1)+(2*7)+(1*7)=182
182 % 10 = 2
So 349481-77-2 is a valid CAS Registry Number.

349481-77-2SDS

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	2-bromo-3,4-dibutylthiophene

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:349481-77-2 SDS

349481-77-2Upstream product

85932-61-2 3,4-Dibutylthiophene

349481-77-2Downstream Products

349481-77-2Relevant articles and documents

Homologous series of regioregular alkylsubstituted oligothiophenes up to an 11-mer

Kr?mer, Jens,B?uerle, Peter

, p. 3785 - 3794 (2001)

A complete series of structurally well-defined butylated oligothiophenes up to an 11-mer was synthesized by a combination of aryl-aryl cross-coupling reactions and cyclization of 1,3-butadiyne precursors with sulfide anions. Palladium-catalyzed cross-coupling of halogenated thiophene units with trimethylsilylacetylene effectively yields ethynylated thiophenes which after deprotection are oxidatively coupled to the corresponding 1,3-butadiynes.

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CAS

349481-77-2