Phentolamine Mesilate

Name: Phentolamine Mesilate
Brand: Vaqora Chemicals
SKU: VQ-033153

About Phentolamine Mesilate

Vaqora Chemicals supplies Phentolamine Mesilate, a high-purity reference standard of Phentolamine registered under CAS number 65-28-1. Formula C18H23N3O4S, molecular weight 377.5 g/mol. Alternative names: Phentolamine mesylate and Phentolamine methanesulfonate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Phentolamine standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Phentolamine Mesilate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Phentolamine

View every impurity, metabolite and intermediate we list for Phentolamine.

Phentolamine impurities

Specifications & identifiers

Chemical identifiers
Product name	Phentolamine Mesilate
Catalogue No.	VQ-033153
CAS Number	65-28-1
IUPAC name	3-[N-(4,5-dihydro-1H-imidazol-2-ylmethyl)-4-methylanilino]phenol;methanesulfonic acid
Molecular formula	C₁₈H₂₃N₃O₄S
Molecular weight	377.5 g/mol
Exact mass	377.1409
Grade	Reference Standard
HSN code	38229090
InChIKey	OGIYDFVHFQEFKQ-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)N(CC2=NCCN2)C3=CC(=CC=C3)O.CS(=O)(=O)O
PubChem CID	91430

Physical properties
Physical form	Solid
H-bond donors / acceptors	3 / 6
TPSA	111 Å²
Synonyms	Phentolamine mesylate, Phentolamine methanesulfonate, Mesylate phentolamine, NV-101, Mesilate, Phentolamine, Mesylate, Phentolamine, Methanesulfonate, Phentolamine, 2-(N-p'-Tolyl-N-(m'-hydroxyphenyl)aminomethyl)imidazoline Monomethanesulfonate, Phentolamine (mesylate), Regitine methanesulfonate, Phentolamine methanesulfonate salt, 3-(((4,5-dihydro-1H-imidazol-2-yl)methyl)(p-tolyl)amino)phenol methanesulfonate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Phentolamine Mesilate?

The CAS Registry Number of Phentolamine Mesilate is 65-28-1. It is also known as Phentolamine mesylate, Phentolamine methanesulfonate, Mesylate phentolamine.

What is the molecular formula and molecular weight of Phentolamine Mesilate?

Phentolamine Mesilate has the molecular formula C18H23N3O4S and a molecular weight of 377.5 g/mol.

What is Phentolamine Mesilate used for?

Phentolamine Mesilate is supplied as a characterised reference material related to Phentolamine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Phentolamine Mesilate can I order?

We supply Phentolamine Mesilate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phentolamine Mesilate?

Yes. Every lot of Phentolamine Mesilate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Phentolamine Mesilate be shipped internationally?

Yes. Phentolamine Mesilate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.