Methotrexate (CAS 59-05-2) — formula C20H22N8O5, molecular weight 454.17 g/mol; category pharmaceutical intermediates and APIs.
Methotrexate (CAS 59-05-2) is a pharmaceutical intermediate or API 医药中间体及原料药. Its molecular formula C20H22N8O5 comprises 20 C, 22 H, 8 N, 5 O atoms. Its molecular weight is about 454.17 g/mol. Reported physicochemical data: melting point around 195, LogP about -1.85. Pharmaceutical intermediates and APIs are critical building blocks for drug synthesis, with strict requirements on purity, impurities and process consistency. Used in API synthesis, formulation and pre-clinical research; supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 59-05-2 |
|---|---|
| Molecular Formula | C20H22N8O5 |
| Molecular Weight | 454.17 g/mol |
| Melting Point | 195 |
| LogP | -1.85 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
| Category | Pharmaceutical Raw Materials |
Documented applications: formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Methotrexate is a pharmaceutical intermediate or API compound with CAS registry number 59-05-2 and molecular formula C20H22N8O5 (molecular weight 454.17 g/mol), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 59-05-2
Its molecular formula C20H22N8O5 comprises 20 C, 22 H, 8 N, 5 O atoms.
Also known as: Methotrexate · 甲氨蝶呤
Category: pharmaceutical intermediates and APIs
The CAS registry number of Methotrexate is 59-05-2.
Molecular formula C20H22N8O5, molecular weight 454.17 g/mol.
It is also registered under: Methotrexate, 甲氨蝶呤.
Recorded applications: formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Category: Pharmaceutical Raw Materials.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Methotrexate (CAS 59-05-2), compiled from public chemistry databases.
| CAS Number | 59-05-2 |
|---|---|
| PubChem CID | 126941 |
| Molecular Formula | C20H22N8O5 |
| Molecular Weight | 454.17 g/mol |
| IUPAC Name | (2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid |
| InChIKey | FBOZXECLQNJBKD-ZDUSSCGKSA-N |
| UNII (FDA) | YL5FZ2Y5U1 |
| Molecular Weight | 454.4 |
|---|---|
| XLogP3 | -1.8 |
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 9 |
| Exact Mass | 454.17131583 |
| Monoisotopic Mass | 454.17131583 |
| Topological Polar Surface Area | 211 |
| Heavy Atom Count | 33 |
| Melting Point | 195 |
|---|---|
| Melting Point | 195 °C |
| Melting Point | 356-399 °F |
| Solubility | 1.71e-01 g/L |
| LogP | -1.85 |
| LogP | log Kow = -1.85 |
| LogP | -2.2 |
| LogP | -1.32 |
| Dissociation Constants | 4.7 |
methotrexate; 59-05-2; Rheumatrex; Amethopterin; Metatrexan; Hdmtx; Ledertrexate; Methylaminopterinum; Methotrexatum; Metotrexato; Antifolan; Rasuvo; Emtexate; L-Amethopterin; Amethopterine; NSC-740
| Notified hazard statements | H301 (100%), H315 (96.2%), H319 (97%), H340 (34.1%), H360 (94.7%) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 甲氨蝶呤