333-49-3
333-49-3 structure
- Name: 4-Aminopyrimidine-2-thiol
- Chemical Name: 4-amino-2-mercaptopyrimidine
- CAS Number: 333-49-3
- Molecular Formula: C4H5N3S
- Molecular Weight: 127.168
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Mercaptopyrimidine
- Create Date: 2018-02-26 08:00:00
- Modify Date: 2026-06-29 17:32:42
| Name | 4-amino-2-mercaptopyrimidine |
|---|---|
| Synonyms |
6-AMino-2-pyriMidinethione
2-THIOCYTOSINE 4-AMINO-2-MERCAPTOPYRIMIDINE ISO 9001：2015 REACH 4-Amino-2(1H)-pyrimidinethione 4-aminopyrimidine-2-thione 4-amino-2(1h)-pyrimidinethion 4-Aminopyrimidine-2(3H)-thione 4-amino-2-pyrimidine-thiol 2-THIOCYTOSINE CRYSTALLINE APPROX Cytosine,thio 6-Aminopyrimidine-2(1H)-thione 2-mercapto-4-Aminopyrimidine 4-Amino-2-mercaptopyrimidine, 4-Amino-2-thiopyrimidine 4-Amino-2-mercaptopyrimidineThiocytosine 4-AMINO-2-THIOPYRIMIDINE 4-AMinothio-2-pyriMidinone 4-Amino-6-mercaptopurine 4-AMINO-2-MERCAPTOPYRIMIDINE 2(1H)-Pyrimidinethione, 4-amino 2(1H)-Pyrimidinethione, 4-amino- (6CI,7CI,8CI,9CI) THIOCYTOSINE 2(1H)-Pyrimidinethione, 6-amino 2-Thiocytosine,4-Amino-2-mercaptopyrimidine, 4-Amino-2-thiopyrimidine 2-Thiocytosine 6-amino-1H-pyrimidine-2-thione Cytosine,2-thio MFCD00057341 4-aminopyrimidine-2-thiol Cytosine, thio 4-Amino-2-MercaptopyriMidine, R 4-Aminopyrimidine-2(1H)-thione 4-aminopyrimidine-2(1H)-thione EINECS 206-374-3 2(1H)-Pyrimidinone, 4-aminothio 4-Amino-2-mercaptopyrimidine Cytosine, 2-thio |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 347.7±34.0 °C at 760 mmHg |
| Melting Point | 285-290 °C (dec.)(lit.) |
| Molecular Formula | C4H5N3S |
| Molecular Weight | 127.168 |
| Flash Point | 164.1±25.7 °C |
| Exact Mass | 127.020416 |
| PSA | 90.60000 |
| LogP | -2.39 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.694 |
| Storage condition | -20?C Freezer |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
MUTATION DATA
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| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xi |
| Safety Phrases | S22-S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| RTECS | UW0520000 |
| HS Code | 2933599090 |
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |