ChemicalBook >> CAS DataBase List >>2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID
2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID
- CAS No.
- 4746-63-8
- Chemical Name:
- 2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID
- Synonyms
- Aclidinium Impurity 3;Dithienylglycolic acid;Di-2-thienylglycolic Acid;Titropium bromide EP impurity A;Tiotropium Bromide EP Impurity A;2-HYDROXY-2,2-DITHIOPHEN-2-YLACETICACID;2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID;2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-;Tiotropium Bromide EP Impurity B (Aclidinium Impurity 3);Tiotropium Bromide Impurity 1(Tiotropium Bromide EP Impurity A)
- CBNumber:
- CB3749100
- Molecular Formula:
- C10H8O3S2
- Molecular Weight:
- 240.29
- MDL Number:
- MFCD04038827
- MOL File:
- 4746-63-8.mol
- MSDS File:
- SDS
Last updated:2026-05-28 01:14:10
| Product description | Number | Pack Size | Price |
| 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 279809 | 250mg | $1310 |
| 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 279809 | 500mg | $1727 |
| 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 279809 | 1g | $2505 |
| 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 279809 | 2g | $2980 |
| 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 279809 | 5g | $4283 |
| Melting point | 93 °C |
|---|---|
| Boiling point | 436.5±40.0 °C(Predicted) |
| Density | 1.527±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | DMSO (Sparingly), Methanol (Slightly, Sonicated) |
| pka | 2.79±0.25(Predicted) |
| form | Solid |
| color | Light Grey to Black |
| Stability | Light Sensitive |
| Major Application | pharmaceutical small molecule |
| FDA UNII | RI3X2J9148 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Usbiological | 279809 | 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 4746-63-8 | 250mg | $1310 | 2026-06-03 | Buy |
| Usbiological | 279809 | 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 4746-63-8 | 500mg | $1727 | 2026-06-03 | Buy |
| Usbiological | 279809 | 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 4746-63-8 | 1g | $2505 | 2026-06-03 | Buy |
| Usbiological | 279809 | 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 4746-63-8 | 2g | $2980 | 2026-06-03 | Buy |
| Usbiological | 279809 | 2-Hydroxy-2,2-bis(2-thienyl) acetic acid Asreported | 4746-63-8 | 5g | $4283 | 2026-06-03 | Buy |
2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID Preparation Products And Raw materials
2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID Suppliers
Global( 89)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shaanxi Dideu Medichem Co. Ltd | +86-29-81139210 +86-18192627656 | 1059@dideu.com | China | 3587 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14332 | 58 |
| Hubei Ipure Biology Co., Ltd | +8613367258412 | ada@ipurechemical.com | China | 10236 | 58 |
| sgtlifesciences pvt ltd | +8617013299288 | dj@sgtlifesciences.com | China | 12373 | 58 |
| Hangzhou MolCore BioPharmatech Co.,Ltd. | +86-057181025280; +8617767106207 | sales@molcore.com | China | 49734 | 58 |
| Wuhan Topule Biopharmaceutical Co., Ltd | +8618327326525 | masar@topule.com | China | 8467 | 58 |
| Moxin Chemicals | +86-17320513646 +8617320513646 | anna@molcoo.com | China | 10000 | 58 |
| QUALITY CONTROL SOLUTIONS LTD. | +86-0755-66853366 +8613670046396 | export03@qcsrm.com | China | 24342 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532; 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Chemsky（shanghai）International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32321 | 50 |
View Lastest Price from 2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-12 | 2-Hydroxy-2,2-di(thiophen-2-yl)aceticacid
4746-63-8
|
$1.00-22.00 | 1KG | 99% | 100000KG | Shaanxi Dideu Medichem Co. Ltd |
-
- 2-Hydroxy-2,2-di(thiophen-2-yl)aceticacid
4746-63-8
- $1.00-22.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
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2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID
Di-2-thienylglycolic Acid
2-HYDROXY-2,2-DITHIOPHEN-2-YLACETICACID
Aclidinium Impurity 3
Tiotropium Bromide Impurity 1(Tiotropium Bromide EP Impurity A)
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2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-
Tiotropium Bromide EP Impurity B
(Aclidinium Impurity 3)
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Titropium bromide EP impurity A
4746-63-8
C10H8O3S2
Sulphur Derivatives
Heterocycles, Pharmaceuticals, Intermediates & Fine Chemicals
