2-(2-Aminothiazole-4-yl)-2-methoxyiminoacetic acid
Synonym(s):(Z)-2-Amino-α-(methoxyimino)-4-thiazoleacetic acid;ATMAA;Cefepime Dihydrochloride Monohydrate Impurity D (PhEur)
- CAS NO.：65872-41-5
- Empirical Formula: C6H7N3O3S
- Molecular Weight: 201.2
- MDL number: MFCD00071528
- EINECS: 265-957-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:53
What is 2-(2-Aminothiazole-4-yl)-2-methoxyiminoacetic acid?
Chemical properties
OFF-WHITE TO BEIGE POWDER
The Uses of 2-(2-Aminothiazole-4-yl)-2-methoxyiminoacetic acid
Intermediate in the preparation of Cephem compounds.
Properties of 2-(2-Aminothiazole-4-yl)-2-methoxyiminoacetic acid
| Melting point: | 192 °C (dec.)(lit.) |
| Boiling point: | 425.1±37.0 °C(Predicted) |
| Density | 1.463 (estimate) |
| refractive index | 1.6630 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| form | solid |
| pka | 2.97±0.10(Predicted) |
| color | White to Off-White |
| Water Solubility | 0.6 g/100 mL (20 ºC) |
| λmax | 273nm(MeOH)(lit.) |
| CAS DataBase Reference | 65872-41-5(CAS DataBase Reference) |
Safety information for 2-(2-Aminothiazole-4-yl)-2-methoxyiminoacetic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-(2-Aminothiazole-4-yl)-2-methoxyiminoacetic acid
| InChIKey | NLARCUDOUOQRPB-RUDMXATFSA-N |
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