2,4-Diamino-6-(Hydroxymethyl)pteridine HCl Hydrate CAS 73978-41-3 Methotrexate Intermediate Purity >97.0%
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of 2,4-Diamino-6-(Hydroxymethyl)pteridine Hydrochloride Hydrate (CAS: 73978-41-3) with high quality, intermediate of Methotrexate (CAS: 59-05-2). Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase Methotrexate Intermediates, Please contact: alvin@ruifuchem.com
| Chemical Name | 2,4-Diamino-6-(Hydroxymethyl)pteridine Hydrochloride Hydrate |
| Synonyms | 2,4-Diamino-6-(Hydroxymethyl)pteridine Hydrochloride; 2,4-Diamino-6-(Hydroxymethyl)pteridine HCl; (2,4-Diaminopteridin-6-yl)methanol Hydrochloride; (2,4-Diamino-6-Pteridinyl)methanol Hydrochloride Hydrate |
| Impurity | Methotrexate EP Impurity A |
| Stock Status | In Stock, Commercial Production |
| CAS Number | 73978-41-3 |
| CAS Free Base | 945-24-4 |
| Molecular Formula | C7H8N6O.HCl.H2O |
| Molecular Weight | 246.66 g/mol |
| Melting Point | 220℃(lit.) |
| COA & MSDS | Available |
| Sample | Available |
| Origin | Shanghai, China |
| Category | Intermediate of Methotrexate (CAS: 59-05-2) |
| Brand | Ruifu Chemical |
| Items | Inspection Standards | Results |
| Appearance | Yellow or Brown-Yellow Powder | Complies |
| Water by Karl Fischer | <5.00% | 4.3% |
| Heavy Metals (Pb) | ≤30ppm | <16ppm |
| Purity | >97.0% | 98.3% |
| Infrared Spectrum | Consistent with Structure | Complies |
| 1 H NMR Spectrum | Consistent with Structure | Complies |
| Conclusion | The product has been tested & complies with the given specifications | |
Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry and well-ventilated warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Risk Codes
R36/37/38 - Irritating to eyes, respiratory system and skin.
R36 - Irritating to the eyes
R22 - Harmful if swallowed
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 2934999099
2,4-Diamino-6-(Hydroxymethyl)pteridine Hydrochloride Hydrate (CAS: 73978-41-3) is used as an intermediate of Methotrexate (CAS: 59-05-2). Methotrexate is a drug used for the treatment of cancer, also known as cytotoxic drugs. In order to reduce its cytotoxicity, it can be used in conjunction with calcium leucovorin. It is primarily used for the treatment of acute leukemia (acute lymphocytic leukemia), breast cancer, malignant mole and choriocarcinoma, head and neck cancer, bone cancer, leukemia, spinal cord meningeal infiltration, lung cancer, reproductive system cancer, liver cancer, refractory psoriasis vulgaris, dermatomyositis, body myositis, ankylosing spondylitis inflammation, Crohn's disease, psoriasis and psoriatic arthritis, Behcet's disease and autoimmune disease.
