2-(2-Aminothiazol-4-yl)acetic acid hydrochloride
Also known as: 2-(2-aminothiazol-4-yl)acetic acid, hydrochloride, 2-(2-aminothiazole-4-yl)acetic acid hydrochloride, ATA hydrochloride, ATAA.HCl, 4-Thiazoleacetic acid, 2-amino-, hydrochloride (1:1), ATAA.HCL
2-(2-Aminothiazol-4-yl)acetic acid hydrochloride (CAS 66659-20-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7ClN2O2S and a molecular weight of 194.64 g/mol. Key properties include a melting point of 152°C, a boiling point of 409.9ºC at 760 mmHg and a flash point of 201.7ºC. It is listed by 1 supplier, from 0.44 to 400.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 66659-20-9
- Jingsj CID
- J-1112724-8
- Molecular Formula
- C5H7ClN2O2S
- Molecular Weight
- 194.64 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 97% 500g | ¥220.00 | $0.07 /gBest ¥0.44/g CNY | CN China MOQ 500g | |
Made to Order | 97% 100g | ¥48.00 | $0.07 /g ¥0.48/g CNY | CN China MOQ 100g | |
Made to Order | 97% 1kg | ¥400.00 | $59.86 /kg ¥400.00/kg CNY | CN China MOQ 1kg |
Physicochemical Properties
| Melting Point | 152°C |
|---|---|
| Boiling Point | 409.9ºC at 760 mmHg |
| Flash Point | 201.7ºC |
| Exact Mass | 193.99200 |
| PSA | 104.45000 |
| LogP | 1.73560 |
| SMILES | C1=C(N=C(S1)N)CC(=O)O.Cl |
| InChIKey | ZEWJJZKVQOMYKJ-UHFFFAOYSA-N |
| InChI | 1S/C5H6N2O2S.ClH/c6-5-7-3(2-10-5)1-4(8)9;/h2H,1H2,(H2,6,7)(H,8,9);1H |
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-(2-Aminothiazol-4-yl)acetic acid hydrochloride?
The CAS number of 2-(2-Aminothiazol-4-yl)acetic acid hydrochloride is 66659-20-9.
What are the molecular formula and molecular weight of 2-(2-Aminothiazol-4-yl)acetic acid hydrochloride?
2-(2-Aminothiazol-4-yl)acetic acid hydrochloride has molecular formula C5H7ClN2O2S and molecular weight 194.64 g/mol.
Which suppliers offer 2-(2-Aminothiazol-4-yl)acetic acid hydrochloride?
1 supplier(s) listed; reference unit price ¥0.44–400.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(2-Aminothiazol-4-yl)acetic acid hydrochloride (CAS 66659-20-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1112724-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.