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Product Line: Pharmaceutical Chemicals

Minoxidil sulphate

CAS 83701-22-8

Molecular structure of Minoxidil sulphate

CAS · 83701-22-8

01

Product Overview

Minoxidil sulphate is a high-purity a-api supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance: White or off white crystal powder
Assay(HPLC): 99% min
Identification: IR similar to the reference standard
Odor: Odourless
Solubility: Soluble in water, propylene glycol; sparingly soluble in methanol
PH (3%): 2.5–3.5
Heavy metals: 20 ppm max
Loss on drying: 3% max
Residue on ignition: 0.5% max
Organic volatile impurities: Methanol: 3000 ppm max
Ethanol: 5000 ppm max
Ethyl acetate: 5000 ppm max
03

Applications

 

1. Hair Loss Treatment (Topical Use)

Primary application is in the treatment of androgenetic alopecia (male and female pattern baldness).

It enhances hair growth by prolonging the anagen (growth) phase of hair follicles.

Used in various topical hair regrowth formulations, either as a raw material or as a reference standard in pharmaceutical development.

2. Pharmaceutical R&D

Minoxidil sulfate is used in pharmacological studies to understand the mechanism of action of minoxidil at the molecular level.

Helps in formulation development for enhanced delivery and bioavailability in hair regrowth products.

3. Hypertension Research

As the active form of oral minoxidil (a systemic vasodilator), minoxidil sulfate has been studied for its role in vascular smooth muscle relaxation, although it is not directly administered in clinical practice for hypertension.

04

Benefits

✔️ More Potent Than Minoxidil

Minoxidil sulfate is 2–5 times more active than minoxidil itself in stimulating hair follicles.

It directly opens ATP-sensitive potassium channels, improving blood flow to the hair follicle and stimulating follicular activity.

✔️ Faster Onset of Action

Because it is the already-active metabolite, topical formulations containing minoxidil sulfate may act more rapidly in stimulating hair regrowth compared to minoxidil, which requires metabolic activation in the skin.

✔️ Improved Efficacy in Non-Responders

Some individuals have low sulfotransferase activity, meaning they cannot efficiently convert minoxidil into its active form. Using minoxidil sulfate directly may improve results in such users.

✔️ Better Solubility

It exhibits better water solubility than minoxidil, offering potential for more stable aqueous formulations.

05

Conclusion

Minoxidil sulphate is a potent vasodilator and hair growth stimulator, widely used in scientific research and formulation development for treating hair loss. While it offers enhanced efficacy, its formulation complexity and lower stability have limited its use in mass-market products. However, it remains an essential compound for researchers and pharmaceutical developers working on next-generation treatments for alopecia.

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