Pyrilamine maleate

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 463955

CAS#: 59-33-6

Description: Pyrilamine maleate is a first generation antihistamine, targeting the H1 receptor as an inverse agonist. It rapidly permeates the brain often causing drowsiness.

Chemical Structure

Pyrilamine maleate
CAS# 59-33-6

Theoretical Analysis

MedKoo Cat#: 463955
Name: Pyrilamine maleate
CAS#: 59-33-6
Chemical Formula: C21H27N3O5
Exact Mass: 401.1951
Molecular Weight: 401.463
Elemental Analysis: C, 62.83; H, 6.78; N, 10.47; O, 19.93

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Pyrilamine maleate; NSC 3604; NSC3604; NSC-3604; Mepyramine;

IUPAC/Chemical Name: N1-(4-methoxybenzyl)-N2,N2-dimethyl-N1-(pyridin-2-yl)ethane-1,2-diamine maleate


InChi Code: InChI=1S/C17H23N3O.C4H4O4/c1-19(2)12-13-20(17-6-4-5-11-18-17)14-15-7-9-16(21-3)10-8-15;5-3(6)1-2-4(7)8/h4-11H,12-14H2,1-3H3;1-2H,(H,5,6)(H,7,8)/b;2-1-

SMILES Code: COc1ccc(CN(c2ncccc2)CCN(C)C)cc1.OC(/C=C\C(O)=O)=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 401.463 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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