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2-Thiophenecarboxylic acid, 5-(1-propynyl)-, also known as 5-(1-Propynyl)-2-thiophenecarboxylic acid, is an organic compound with the chemical formula C8H6O2S. It is a derivative of thiophene, a heterocyclic compound consisting of a five-membered ring with one sulfur atom and four carbon atoms. The 5-position of the thiophene ring is substituted with a propynyl group, which is a three-carbon alkyne chain with a terminal triple bond. 2-Thiophenecarboxylic acid, 5-(1-propynyl)- is a valuable intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals due to its unique structure and reactivity. It can be used in the preparation of various functionalized thiophenes, which have applications in materials science, electronics, and other fields.

3737-38-0

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Basic information
1. Product Name: 2-Thiophenecarboxylic acid, 5-(1-propynyl)-
2. Synonyms:
3. CAS NO:3737-38-0
4. Molecular Formula: C8H6O2S
5. Molecular Weight: 166.2
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3737-38-0.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 2-Thiophenecarboxylic acid, 5-(1-propynyl)-(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-Thiophenecarboxylic acid, 5-(1-propynyl)-(3737-38-0)
11. EPA Substance Registry System: 2-Thiophenecarboxylic acid, 5-(1-propynyl)-(3737-38-0)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 3737-38-0(Hazardous Substances Data)

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3737-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3737-38-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,3 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3737-38:
(6*3)+(5*7)+(4*3)+(3*7)+(2*3)+(1*8)=100
100 % 10 = 0
So 3737-38-0 is a valid CAS Registry Number.

3737-38-0SDS

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	5-prop-1-ynyl-thiophene-2-carboxylic acid

1.2 Other means of identification

Product number	-
Other names	5-[Propin-(1)-yl]-thiophen-carbonsaeure-(2)

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:3737-38-0 SDS

3737-38-0Upstream product

3737-38-0Downstream Products

50340-79-9 thiophene-2,5-dicarboxylic acid monomethyl ester

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