2-巯基-5-甲基-1,3,4-噻二唑，CAS 登记号 29490-19-5，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
有机化学品
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 2-巯基-5-甲基-1,3,4-噻二唑 的 CAS 号：29490-19-5，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及有机化学品。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
2-Mercapto-5-methyl-1,3,4-thiadiazole · CAS 29490-19-5 · C3H4N2S2. UNII 9JY8UF0TSS.
| CAS Registry Number | 29490-19-5 |
|---|---|
| PubChem CID | 1810203 |
| Molecular formula | C3H4N2S2 |
| IUPAC name | 5-methyl-3H-1,3,4-thiadiazole-2-thione |
| UNII (FDA) | 9JY8UF0TSS |
| Molecular Weight | 132.21 |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 131.98159048 |
| Monoisotopic Mass | 131.98159048 |
| Topological Polar Surface Area | 81.8 |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (98.4%), H319 (98.4%), H335 (96.7%) |
|---|
H315 (98.4%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (98.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
29490-19-5; 5-Methyl-1,3,4-thiadiazole-2-thiol; 2-Mercapto-5-methyl-1,3,4-thiadiazole; 5-Methyl-1,3,4-thiadiazole-2(3H)-thione; 9JY8UF0TSS; 2-Methyl-5-mercapto-1,3,4-thiadiazole; EINECS 249-667-1; UNII-9JY8UF0TSS; METHYLTHIADIAZOLE THIOL; AI3-62194; d2-1,3,4-Thiadiazoline-5-thione, 2-methyl-; DTXSID90183694; 5-methyl-1,3,4-thiadiazolyl-2-thiol; 2-Methyl-1,3,4-thiadiazoline-5-thione; CEFAZOLIN SODIUM IMPURITY E [EP IMPURITY]; CEFAZOLIN SODIUM IMPURITY E (EP IMPURITY)
CAS 29490-19-5; molecular formula C3H4N2S2; molecular weight — g/mol.
29490-19-5, 5-Methyl-1,3,4-thiadiazole-2-thiol, 2-Mercapto-5-methyl-1,3,4-thiadiazole, 5-Methyl-1,3,4-thiadiazole-2(3H)-thione, 9JY8UF0TSS, 2-Methyl-5-mercapto-1,3,4-thiadiazole.
Hazard statements reported: H315, H319, H335.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.