ChemicalBook >> CAS DataBase List >>D(-)-AMETHOPTERIN
D(-)-AMETHOPTERIN
- CAS No.
- 51865-79-3
- Chemical Name:
- D(-)-AMETHOPTERIN
- Synonyms
- R-Methotrexate;6-MTX(D);d-methotrexate;Einecs 257-482-2;D(-)-AMETHOPTERIN;R-Methotrexate;D-(-)-AMETHOPTERIN HYDRATE;Methotrexate Impurity 6(EP-F);Methotrexate Impurity F (Isomer);(-) - AMETHOPTERIN - D - METHOTREXATE
- CBNumber:
- CB9739301
- Molecular Formula:
- C20H22N8O5
- Molecular Weight:
- 454.44
- MDL Number:
- MFCD00006710
- MOL File:
- 51865-79-3.mol
- MSDS File:
- SDS
Last updated:2026-05-28 05:59:16
| Melting point | 195 °C |
|---|---|
| Boiling point | 561.26°C (rough estimate) |
| Density | 1.4080 (rough estimate) |
| refractive index | 1.6910 (estimate) |
| storage temp. | -20°C |
| solubility | Aqueous Base (Slightly, Heated, Sonicated), DMSO (Slightly), Methanol (Slightly） |
| pka | 3.47±0.10(Predicted) |
| form | Solid |
| color | Dark Yellow to Very Dark Yellow |
| Stability | Hygroscopic |
| Major Application | pharmaceutical (small molecule) |
| InChIKey | FPJYMUQSRFJSEW-UHFFFAOYSA-N |
| SMILES | O.CN(Cc1cnc2nc(N)nc(N)c2n1)c3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O |
| EWG's Food Scores | 1 |
| FDA UNII | W12798130R |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS06,GHS08 |
|---|---|
| Signal word | Danger |
| Hazard statements | H301-H315-H319-H341-H360D |
| Precautionary statements | P202-P264-P270-P301+P310-P302+P352-P305+P351+P338 |
| Hazard Codes | T |
| Risk Statements | 61-46-25-36/37/38-60-23/24/25 |
| Safety Statements | 53-45-28A-36/37/39-26-22 |
| RIDADR | UN 1544 6.1/PG 3 |
| WGK Germany | WGK 3 |
| RTECS | MA1224000 |
| HS Code | 29335995 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| Hazard Classifications | Acute Tox. 3 Oral Eye Irrit. 2 Muta. 2 Repr. 1B Skin Irrit. 2 |
D(-)-AMETHOPTERIN price More Price(13)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 1413988 | (?)-Amethopterin United States Pharmacopeia (USP) Reference Standard | 51865-79-3 | 5mg | $1530 | 2026-04-30 | Buy |
| TRC | TRC-M260665-5MG | (R)-Methotrexate | 51865-79-3 | 5mg | $951 | 2026-06-03 | Buy |
| TRC | TRC-M260665-25MG | (R)-Methotrexate | 51865-79-3 | 25mg | $3793 | 2026-06-03 | Buy |
| TRC | TRC-M260665-1MG | (R)-Methotrexate | 51865-79-3 | 1mg | $263 | 2026-06-03 | Buy |
| Biosynth | BCA86579 | D-(-)-Amethopterin hydrate | 51865-79-3 | 1mg | $649 | 2026-06-04 | Buy |
D(-)-AMETHOPTERIN Preparation Products And Raw materials
Raw materials
Preparation Products
D(-)-AMETHOPTERIN Suppliers
Global Suppliers ( 75)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Daicel Chiral Technologies (China)CO.,LTD | 021-50460086-9 15921403865 | han_yajun@dctc.daicel.com | China | 7909 | 65 |
| BOC Sciences | 1-631-485-4226; 16314854226 | info@bocsci.com | United States | 9920 | 65 |
| S.Z. PhyStandard Bio-Tech. Co., Ltd. | 0755-4000505016 13380397412 | 3001272453@qq.com | China | 5000 | 50 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
| Finetech Industry Limited | 027-87465837 19945049750 | sales@finetechnology-ind.com | China | 9331 | 58 |
| Shanghai Kewel Chemical Co., Ltd. | 021-64609169 18901607656 | greensnown@163.com | China | 9883 | 50 |
| Shanghai HuanChuan Industry Co.,Ltd. | 021-61478794 | sales@hcshhai.com | China | 9781 | 50 |
| Nanjing XiZe Biotechnology CO., Ltd. | 025-66023220 15250997978 | 1511893459@qq.com | China | 4777 | 55 |
| BOC Sciences | 16314854226 | info@bocsci.com | United States | 9909 | 65 |
51865-79-3 (D(-)-AMETHOPTERIN) Related Search:
N-(4-(Methylamino)benzoyl)-L-glutamic acid
2,4-Diamino-6-(hydroxymethyl)pteridine
Methotrexate Related Compound E (50 mg) (4-{[(2,4-Diaminopteridin-6-yl)methyl](methyl)amino}benzoic acid, hemihydrochloride)
Aminopterin
Methotrexate EP Impurity G
L-Glutamic acid, N-[4-[[ (2-amino-1, 4-dihydro-4-oxo-6-pteridinyl)meth yl]methylamino]benzoyl]-
4-[Methyl[(2-amino-4-hydroxypteridine)-6-ylmethyl]amino]benzoic acid
(plus-minus)-amethopterin,dl-amethopteri
L-AMETHOPTERIN HYDRATE,L-(+)-AMETHOPTERIN HYDRATE,(+)-AMETHOPTERIN HYDRATE
Methotrexate
1of4
d-methotrexate
n-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-d-glutamicacid
D(-)-AMETHOPTERIN
D-(-)-AMETHOPTERIN HYDRATE
D(-)-4-AMINO-N10-METHYLPTEROYLGLUTAMIC ACID
D-(-)-N-(2,4-diamino-6-pteridinyl(dimethylamino)benzoyl)glutamic acid
R-Methotrexate (5 mg) ((R)-2-(4-{[(2,4-diaminopteridin-6-yl)methyl](methyl)amino}benzamido)pentanedioic acid)
Methotrexate Impurity 6(EP-F)
D-Glutamic acid, N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]- (9CI)
(-) - AMETHOPTERIN - D - METHOTREXATE
6-MTX(D)
N-[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]-D-glutamic acid
D-Glutamic acid, N-(4-(((2,4-diamino-6-pteridyl)methyl)methylamino)benzoyl)-
Einecs 257-482-2
Glutamic acid, N-(p-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-, D-
D-Glutamic acid, N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-
Methotrexate Impurity 6（Methotrexate EP Impurity F）
(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-D-glutamic acid
Methotrexate EP Impurity F Disodium Salt ((R)-Methotrexate Disodium Salt)
MethotrexateEPImpurityFDisodiumSalt-MethotrexateDisodiumSalt)
(R)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino) benzamido)pentanedioic acid
R-Methotrexate
Methotrexate Impurity F (Isomer)
R-Methotrexate
51865-79-3
331717-13-2
C20H22N8O5
