Molekula

Phentolamine methanesulfonate (Phentolamine mesylate)

SKU 24470424 CAS 65-28-1 C17H19N3O · CH4O3S MW 377.46 In stock

Phentolamine methanesulfonate is a reversible alpha-adrenergic receptor antagonist used in the treatment of pheochromocytoma and as a vasodilator. It is available as a white to off-white crystalline powder. CAS: 65-28-1, Molecular Formula: C17H19N3O · CH4O3S, Molecular Weight: 377.46 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Phentolamine methanesulfonate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

£ GBP € EUR $ USD

100 mg — £51.40 per pack
1 g — £100.70 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

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Property	Value
Appearance	White powder
Loss on Drying	≤0.5%
Storage Temperature	+20 ℃
Molecular Weight	377.46
Specification	Conforms to USP 32
Sulfate	≤0.2%
Assay	98.0%~102.0%
Residue on Ignition	≤0.1%
Individual Purity:	≤0.5%

Storage & handling

Property	Value
Storage Temperature	Ambient
Shelf Life	24 months
Acidity	Neutral

Identification

Property	Value
SKU	24470424
CAS Number	65-28-1
Molecular Formula	C17H19N3O · CH4O3S
Molecular Weight	377.46
SMILES	O=S(=O)(O)C.OC1=CC=CC(=C1)N(C2=CC=C(C=C2)C)CC3=NCCN3
REACH Code	Y110
HTS Code	2933299000
Tariff Code	2933299090

Safety & GHS

Warning

Health Hazard GHS07

Hazard statements

H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Precautionary statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray
P264 Wash thoroughly after handling
P280 Wear protective gloves/protective clothing/eye protection/face protection
P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Safety Data Sheets (SDS)

Available in PT, IT, FR, ES, DE, EN.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Phentolamine methanesulfonate used for?

It is primarily used in the treatment of pheochromocytoma and as a vasodilator in certain medical conditions. It is also used in research settings to study alpha-adrenergic receptors.

What is the chemical formula and molecular weight of Phentolamine methanesulfonate?

The formula is C17H19N3O · CH4O3S with a molecular weight of 377.46 g/mol.

How should Phentolamine methanesulfonate be stored?

It should be stored at ambient temperature, protected from light and moisture.

What grade is available for Phentolamine methanesulfonate?

We offer Phentolamine methanesulfonate in research grade for laboratory use.

Can Molekula supply Phentolamine methanesulfonate in bulk?

Yes, we can supply Phentolamine methanesulfonate in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with my order of Phentolamine methanesulfonate?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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