5-Amino-3-phenyl-1,2,4-thiadiazole
- CAS NO.:17467-15-1
- Empirical Formula: C8H7N3S
- Molecular Weight: 177.23
- MDL number: MFCD00003159
- EINECS: 241-485-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:43:42
What is 5-Amino-3-phenyl-1,2,4-thiadiazole?
Description
5-Amino-3-phenyl-1,2,4-thiadiazole is an important organic synthetic reagent with remarkable reactivity and stability and has been used in the synthesis of a variety of heterocyclic compounds including 1,2,4-triazol-3-ylphenyls, derivatives of 2-aryl-5-amino-thiadiazole, 5-amino-1,2,4-thiadiazol-3-phenyls, and 5 -amino-1,2,4-thiadiazole-3-phenyl-3-methyl derivatives. It is also used in the synthesis of polymers such as poly(5-amino-3-phenyl-1,2,4-thiadiazole). In addition, 5-amino-3-phenyl-1,2,4-thiadiazole is an inhibitor of cyclooxygenase-2 (COX-2) and 5-lipoxygenase (5-LOX). The compound inhibits the release of pro-inflammatory cytokines such as tumour necrosis factor-α (TNF-α) and interleukin-1β (IL-1β).
Chemical properties
LIGHT BROWNISH FINE CRYSTALLINE POWDER
The Uses of 5-Amino-3-phenyl-1,2,4-thiadiazole
3-Phenyl-1,2,4-thiadiazol-5-amine is used as a reactant in the preparation of thiazole and thiadiazole derivatives as potent and selective human adenosine A3 receptor antagonists.
Properties of 5-Amino-3-phenyl-1,2,4-thiadiazole
| Melting point: | 152-156 °C |
| Density | 1.2353 (rough estimate) |
| refractive index | 1.5700 (estimate) |
| storage temp. | 2-8°C |
| color | White |
| InChI | InChI=1S/C8H7N3S/c9-8-10-7(11-12-8)6-4-2-1-3-5-6/h1-5H,(H2,9,10,11) |
| CAS DataBase Reference | 17467-15-1(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2,4-Thiadiazol-5-amine, 3-phenyl- (17467-15-1) |
Safety information for 5-Amino-3-phenyl-1,2,4-thiadiazole
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral 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. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. 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 5-Amino-3-phenyl-1,2,4-thiadiazole
| InChIKey | OYAHSBDYBOBAAQ-UHFFFAOYSA-N |
| SMILES | S1C(N)=NC(C2=CC=CC=C2)=N1 |
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