o-Methylisourea Hydrogensulfate
O-Methylisourea sulfate
CAS: 29427-58-5
Molecular Formula: C2H8N2O5S
o-Methylisourea Hydrogensulfate - Names and Identifiers
| Name | O-Methylisourea sulfate |
| Synonyms | OMIHS O-METHYLISOUREA SULFATE O-Methylisourea sulfate O-Methylisourea bisulfate 2-METHYLPSEUDOUREA SULFATE O-METHYLISOUREA SULFATE SALT Methyl carbamimidate sulfate o-Methylisourea Hydrogensulfate O-METHYLISOUREA HYDROGEN SULFATE |
| CAS | 29427-58-5 |
| EINECS | 249-622-6 |
| InChI | InChI=1/C2H6N2O.H2O4S/c1-5-2(3)4;1-5(2,3)4/h1H3,(H3,3,4);(H2,1,2,3,4) |
| InChIKey | MDFRYRPNRLLJHT-UHFFFAOYSA-N |
o-Methylisourea Hydrogensulfate - Physico-chemical Properties
| Molecular Formula | C2H8N2O5S |
| Molar Mass | 172.16 |
| Melting Point | 118-120 °C (lit.) |
| BRN | 3722928 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Physical and Chemical Properties | Nature description: White Crystal, soluble in water and ethanol, it is excellent performance of amidinylation reagent. |
| Use | Purposes: widely used in the synthesis of pesticides and pharmaceuticals. As a pharmaceutical intermediate, it is mainly used to synthesize fluoropyrimidine antitumor drugs for the treatment of malignant tumors such as colon cancer, rectal cancer, gastric cancer and breast cancer. |
o-Methylisourea Hydrogensulfate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29252900 |
o-Methylisourea Hydrogensulfate - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | O-methyl iso-urea bisulfate is a white crystal with a melting point of 147-153 ℃ and insoluble in methanol. As an intermediate, it is widely used in the fields of pesticide, medicine and biochemical synthesis. It is an important intermediate for the synthesis of fluorouracil anti-tumor drugs such as colon cancer, herbicides and imidazole insect repellent pesticides. |
| application | O-methyl iso-urea bisulfate is an amino salt, which can be used as an intermediate of 5-fluorouracil and as an intermediate in organic synthesis And pharmaceutical intermediates, mainly used in laboratory research and development processes and chemical and pharmaceutical synthesis processes. |
| Use | 5-fluorouracil intermediate. |
| production method | prepared by heating and reacting urea and dimethyl sulfate. |
Last Update：2024-04-10 22:29:15
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