METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+%

Product Name: METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+%
CAS No.: 82782-85-2
Chemical Name: METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+%
Synonyms: 4H-thieno[3,2-b]pyrroL;METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+%;thieno<3,2-b>pyrrole-5-carboxylic acid Methyl ester
CBNumber: CB3506578
Molecular Formula: C8H7NO2S
Formula Weight: 181.21
MOL File: 82782-85-2.mol

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METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+% Property

Melting point:: 143-145℃
Boiling point:: 336.8±22.0 °C(Predicted)
Density: 1.402
storage temp.: 2-8°C
pka: 14.61±0.30(Predicted)
Appearance: White to off-white Solid

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Safety

HS Code: 2934999090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

TRC

Product number: M321463
Product name: Methyl4H-Thieno[3,2-b]pyrrole-5-carboxylate
Packaging: 100mg
Price: $60
Updated: 2021/12/16

SynQuest Laboratories

Product number: 8H23-1-00
Product name: Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate
Purity: 97%
Packaging: 1g
Price: $128
Updated: 2021/12/16

SynQuest Laboratories

Product number: 8H23-1-00
Product name: Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate
Purity: 97%
Packaging: 5G
Price: $336
Updated: 2021/12/16

AK Scientific

Product number: W8639
Product name: Methyl4H-thieno[3,2-b]pyrrole-5-carboxylate
Packaging: 25g
Price: $967
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0003826
Product name: METHYL 4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE
Purity: 95.00%
Packaging: 1G
Price: $1091.48
Updated: 2021/12/16

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METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+% Chemical Properties,Usage,Production

Synthesis

39793-31-2

18107-18-1

82782-85-2

4H-Thiopheno[3,2-b]pyrrole-5-carboxylic acid (3.0 g, 17.9 mmol) was dissolved in anhydrous methanol (50.0 mL) and the solution was cooled to 0°C. A hexane solution of trimethylsilylated diazomethane (45.0 mL, 2 M) was added slowly and dropwise with stirring, keeping the yellow color of the reaction solution from fading. The reaction continued to be stirred for 10 minutes before acetic acid (5.0 mL) was added to quench the excess trimethylsilylated diazomethane. Subsequently, the solvent was removed by a stream of nitrogen and the residue was purified by silica gel column chromatography (elution gradient: 5%-40% ethyl acetate in heptane solution, 30 min) to afford methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate (2.8 g, 86% yield). The structure of the product was confirmed by 1H NMR (400 MHz, CDCl3): δ 3.90 (s, 3H), 6.95 (dd, J = 5.32, 0.78 Hz, 1H), 7.13 (dd, J = 1.88, 0.76 Hz, 1H), 7.33 (d, J = 5.37 Hz, 1H), 9.02 (br.s, 1H).

References

[1] Patent: US2008/4327, 2008, A1. Location in patent: Page/Page column 40

METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+% Preparation Products And Raw materials

Raw materials

Preparation Products

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METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+% Suppliers

China 59 Germany 1 India 2 United Kingdom 3 United States 7 Global 72

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View Lastest Price from METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+% manufacturers

Career Henan Chemical Co

Product: METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+% 82782-85-2
Price: US $1.00/KG
Min. Order: 1KG
Purity: ≥98%
Supply Ability: 200kg
Release date: 2019-08-30

82782-85-2, METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+%Related Search:

4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLIC ACID Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate ETHYL 2-CHLORO-4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE ETHYL 3-METHYL-4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE ETHYL 3-CHLORO-4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE METHYL 4-METHYL-4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+% METHYL 2-METHYL-4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE ETHYL 2-CHLORO-3-METHYL-4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE

METHYL 4H-THIENO[3,2-B!PYRROLE-5-CARBOXYLATE, 97+%

thieno<3,2-b>pyrrole-5-carboxylic acid Methyl ester

4H-thieno[3,2-b]pyrroL

82782-85-2