Orphenadrine (free base)

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MedKoo CAT#: 412152

CAS#: 83-98-7 (free base)

Description: Orphenadrine (free base) is a muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm.

Chemical Structure

Orphenadrine (free base)
CAS# 83-98-7 (free base)

Theoretical Analysis

MedKoo Cat#: 412152
Name: Orphenadrine (free base)
CAS#: 83-98-7 (free base)
Chemical Formula: C18H23NO
Exact Mass: 269.178
Molecular Weight: 269.388
Elemental Analysis: C, 80.26; H, 8.61; N, 5.20; O, 5.94

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 @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Related CAS #: 4682-36-4 (citrate); 341-69-5 (HCl)   83-98-7 (free base)  

Synonym: Orphenadrine (free base); BS5930; BS-5930; BS 5930

IUPAC/Chemical Name: Ethanamine, N,N-dimethyl-2-((2-methylphenyl)phenylmethoxy)-


InChi Code: InChI=1S/C18H23NO/c1-15-9-7-8-12-17(15)18(20-14-13-19(2)3)16-10-5-4-6-11-16/h4-12,18H,13-14H2,1-3H3


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: >3 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 269.388 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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