Minoxidil with CAS 38304-91-5
What is Minoxidil?
Minoxidil (CAS 38304-91-5) is a potassium channel opener originally developed as an oral antihypertensive drug. It was later discovered to have a remarkable side effect — significant promotion of hair growth — which transformed it into one of the world’s most widely used treatments for androgenetic alopecia (pattern hair loss) in both men and women.
As a pharmaceutical API, Minoxidil acts by widening blood vessels and opening potassium channels, which improves nutrient delivery to hair follicles and prolongs the anagen (growth) phase of the hair cycle.
Runtai Chemical supplies pharmaceutical-grade Minoxidil bulk powder and API. Our product meets BP, USP, and EP standards with comprehensive documentation including COA, MSDS, and Origin Certificate.
Runtai Chemical is a professional and reliable China manufacturer of Minoxidil with CAS 38304-91-5 with higher purity and lower price. If you are interested in our Minoxidil, PLS free to contact us for a free sample!
Product Advantages
- Pharmaceutical Grade Purity: Guaranteed ≥99.0% purity verified by HPLC analysis. Meets USP/EP/BP standards with full batch documentation and traceability.
- Complete Quality Documentation: Each batch includes a Certificate of Analysis (CoA), MSDS, stability data, and comprehensive regulatory support for global markets.
- Global Export Experience: Extensive experience in international shipping with proper packaging, documentation, and customs support. Reliable delivery to global countries.
- Competitive Pricing: Direct manufacturer pricing with flexible MOQ options. Bulk discounts available for large orders.
Minoxidil Quick details
- Chemical Name:Minoxidil
- CAS No.:38304-91-5
- EINECS:253-874-2
- Molecular Formula:C9H15N5O
- Molecular weight:209.25
- Appearance:White to off-white crystal powder
- Assay: 97.0%-103.0%
- Synonyms:2,4-diamino-6-piperidinopyrimidine3-n-oxide;4-pyrimidinediamine,6-(1-piperidinyl)-3-oxide;6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperChemicalbookidinopyrimidine;6-piperidino-2,4-diaminopyrimidine3-oxide;alopexil;2,6-diamino-4-(piperidin-1-yl)pyrimidin-1-ium-1-olate;alostil;lonolox
Minoxidil Typical Properties
| Item | Standard USP 42 | Results |
| Appearance | White to off-white crystal powder | Complies |
| Identification | IR:similar to the reference standard | Complies |
| Solubility | soluble in propylene glycol. sparingly soluble in methanol. slightly soluble in water.practically insoluble in chloroform, in acetone, in ethylacetate, and in hexane. | Complies |
| Residue on ignition | ≤0.5% | 0.04% |
| Heavy metals | ≤20ppm | Complies |
| Loss on drying | ≤0.5% | 0.13% |
| Total impurities | ≤1.5% | 0.22% |
| Assay(hplc) | 97.0%-103.0% | 99.8% |
| Conclusion | The product conforms to U.S.P.42 | |
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Minoxidil Applications
- Topical Hair Loss Treatments: The most common application. Used to formulate 2% and 5% topical solutions and foams for treating androgenetic alopecia (male and female pattern baldness).
- Low-Dose Oral Minoxidil (LDOM): Growing demand for oral Minoxidil tablets for treating hair loss and hypertrichosis. Compounding pharmacies globally are sourcing API for LDOM formulations.
- Cosmetic & Nutraceutical Products: Incorporated into hair serums, shampoos, conditioners, and scalp care products. Also used in combination formulations with finasteride, biotin, or peptides for enhanced efficacy.
- Pharmaceutical Research & Development: Supplied to biotech companies and academic research institutions for clinical trials, pharmacokinetic studies, and development of novel delivery systems including nanoemulsions and liposomes.
- Compounding Pharmacies: High-purity Minoxidil API is an essential raw material for compounding pharmacists preparing custom concentrations, multi-ingredient formulas, and patient-specific prescriptions worldwide.
Minoxidil Package & Storage
- Package: 1kg/bag;25kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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