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Home > Products > Pharmaceutical R&D Materials > Heterocyclic Building Blocks > Thieno[2,3-b]thiophene-2-carboxylicacid
Thieno[2,3-b]thiophene-2-carboxylicacid structure, CAS 14756-75-3

Thieno[2,3-b]thiophene-2-carboxylicacid

CAS Number14756-75-3

SynonymsThieno[2,3-b]thiophene-2-carboxylic acid; Thieno[2,3-b]thiophene-2-carboxylicacid; thieno[2,3-b]thiophene-5-carboxylic acid

Molecular FormulaC7H4O2S2

Molecular Weight184.24

Purity

Density1.6±0.1 g/cm3

Boiling Point389.5±22.0 °C at 760 mmHg

Melting Point236ºC

Flash Point

Appearancesolid

EINECS

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Symbol

Signal Word

Cat. No.: 2A-9069993 Purity:
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Quality Control of [ 14756-75-3 ] SDS Specification MoL

COA NMR CNMR HPLC LC-MS
Chemical & Physical Properties
CAS Number14756-75-3
Catalog No.2A-9069993
Chinese Name噻吩酮[2,3-b]噻吩-2-羧酸
SynonymsThieno[2,3-b]thiophene-2-carboxylic acid; Thieno[2,3-b]thiophene-2-carboxylicacid; thieno[2,3-b]thiophene-5-carboxylic acid
Molecular FormulaC7H4O2S2
Molecular Weight184.24
Density1.6±0.1 g/cm3
Boiling Point389.5±22.0 °C at 760 mmHg
Melting Point236ºC
Appearancesolid
Storage Condition2-8°C, sealed, dry
HTC2934999090
MDL NumberMFCD00111552
SMILESO=C(O)c1cc2ccsc2s1
InChI KeyJXHSGSLIUHNKRC-UHFFFAOYSA-N
MSDSmsds/69993_1_14756_75_3.pdf
Tax Rebate13.0%
SupervisionNone. MFN tariff: 6.5%. Ordinary tariff: 20.0%
Transport InfoProduct name: Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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