6-甲基-2-硫代-1H-嘧啶-4-酮（CAS 56-04-2）：分子式 C5H6N2OS、分子量 142.18。
| CAS号 | 56-04-2 |
|---|---|
| 分子式 | C5H6N2OS |
| 分子量 | 142.18 |
| LogP | -0.2 |
| 应用领域 | Uses: MEDICATION、Use Classification: Pharmaceuticals -> Animal Drugs -> Approved in Taiwan、Methods of Manufacturing: ACETOACETIC ESTER IS CONDENSED VIA HYDRATION & DE-ETHANOLATION WITH THIOUREA.、Formulations、Preparations: METHYLTHIOURACIL、NF、CAN BE OBTAINED IN 25- OR 50-MG TABLETS. ... THERE ARE NO COMMERCIAL PREPN AVAILABLE FOR PARENTERAL USE IN RARE EVENT THAT TREATMENT CANNOT BE GIVEN BY MOUTH.、U.S. Production: (1975) NOT PRODUCED COMMERCIALLY IN USA、(1977) NOT PRODUCED COMMERCIALLY IN USA、General Manufacturing Information: 4(1H)-Pyrimidinone、2、3-dihydro-6-methyl-2-thioxo-: ACTIVE、IT IS、THE METHYL ANALOG OF PROPYLTHIOURACIL ... . |
登记用途：Uses: MEDICATION、Use Classification: Pharmaceuticals -> Animal Drugs -> Approved in Taiwan、Methods of Manufacturing: ACETOACETIC ESTER IS CONDENSED VIA HYDRATION & DE-ETHANOLATION WITH THIOUREA.、Formulations、Preparations: METHYLTHIOURACIL、NF、CAN BE OBTAINED IN 25- OR 50-MG TABLETS. ... THERE ARE NO COMMERCIAL PREPN AVAILABLE FOR PARENTERAL USE IN RARE EVENT THAT TREATMENT CANNOT BE GIVEN BY MOUTH.、U.S. Production: (1975) NOT PRODUCED COMMERCIALLY IN USA、(1977) NOT PRODUCED COMMERCIALLY IN USA、General Manufacturing Information: 4(1H)-Pyrimidinone、2、3-dihydro-6-methyl-2-thioxo-: ACTIVE、IT IS、THE METHYL ANALOG OF PROPYLTHIOURACIL ... .。
6-甲基-2-硫代-1H-嘧啶-4-酮 是一种化工化合物，登记 CAS 号为 56-04-2，分子式 C5H6N2OS（分子量 142.18）。
登记 CAS 号：56-04-2
其分子式 C5H6N2OS 由 5 个碳、6 个氢、2 个氮、1 个氧、1 个硫 组成。
别名/同义词：6-甲基-2-硫代-1H-嘧啶-4-酮 · 6-methyl-2-thioxo-1H-pyrimidin-4-one
6-甲基-2-硫代-1H-嘧啶-4-酮 的 CAS 登记号为 56-04-2。
分子式 C5H6N2OS，分子量 142.18。
别名/同义词：6-甲基-2-硫代-1H-嘧啶-4-酮、6-methyl-2-thioxo-1H-pyrimidin-4-one。
登记用途：Uses: MEDICATION、Use Classification: Pharmaceuticals -> Animal Drugs -> Approved in Taiwan、Methods of Manufacturing: ACETOACETIC ESTER IS CONDENSED VIA HYDRATION & DE-ETHANOLATION WITH THIOUREA.、Formulations、Preparations: METHYLTHIOURACIL、NF、CAN BE OBTAINED IN 25- OR 50-MG TABLETS. ... THERE ARE NO COMMERCIAL PREPN AVAILABLE FOR PARENTERAL USE IN RARE EVENT THAT TREATMENT CANNOT BE GIVEN BY MOUTH.、U.S. Production: (1975) NOT PRODUCED COMMERCIALLY IN USA、(1977) NOT PRODUCED COMMERCIALLY IN USA、General Manufacturing Information: 4(1H)-Pyrimidinone、2、3-dihydro-6-methyl-2-thioxo-: ACTIVE、IT IS、THE METHYL ANALOG OF PROPYLTHIOURACIL ... .。
6-甲基-2-硫代-1H-嘧啶-4-酮（CAS 56-04-2）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 56-04-2 |
|---|---|
| PubChem CID | 667493 |
| Molecular formula | C5H6N2OS |
| IUPAC name | 6-methyl-2-sulfanylidene-1H-pyrimidin-4-one |
| UNII (FDA) | QW24888U5F |
| Molecular Weight | 142.18 |
|---|---|
| XLogP3 | -0.2 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 142.02008399 |
| Monoisotopic Mass | 142.02008399 |
| Topological Polar Surface Area | 73.2 |
| Heavy Atom Count | 9 |
| Other Experimental Properties | DECOMP @ 326-331 °C. |
|---|
methylthiouracil; 6-Methyl-2-thiouracil; 56-04-2; Thimecil; Alkiron; Methiocil; Basethyrin; Prostrumyl; Thiomecil; Thiothymin; Metacil; 2-Thio-6-methyluracil; Antibason; Methiacil; Methicil; Strumacil
| GHS notification summary | 1.7% (1 / 59) |
|---|
| GHS notification summary | 1.7% (1 / 59) |
|---|---|
| Reported hazard statements | H302 (91.5%), H351 (79.7%), H372 |
This chemical does not meet GHS hazard criteria for 1.7% (1 of 59) of reports.
H302 (91.5%): Harmful if swallowed [Warning Acute toxicity, oral]
6-methyl-2-thioxo-1H-pyrimidin-4-one · CAS 56-04-2 · C5H6N2OS. UNII QW24888U5F. Other Experimental Properties: DECOMP @ 326-331 °C..
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 6-methyl-2-thioxo-1H-pyrimidin-4-one