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

MedKoo CAT#: 329605

CAS#: 442-51-3

Description: Harmine, also known as telepathine, is a fluorescent harmala alkaloid belonging to the beta-carboline family of compounds. It occurs in a number of different plants, most notably the Middle Eastern plant harmal or Syrian rue (Peganum harmala) and the South American vine Banisteriopsis caapi (also known as "yage" or "ayahuasca"). Harmine reversibly inhibits monoamine oxidase A (MAO-A), an enzyme which breaks down monoamines, making it a RIMA. Harmine selectively binds to MAO-A but does not inhibit the variant MAO-B.

Chemical Structure

CAS# 442-51-3

Theoretical Analysis

MedKoo Cat#: 329605
Name: Harmine
CAS#: 442-51-3
Chemical Formula: C13H12N2O
Exact Mass: 212.10
Molecular Weight: 212.252
Elemental Analysis: C, 73.56; H, 5.70; N, 13.20; O, 7.54

Price and Availability

Size Price Availability Quantity
250mg USD 250 2 Weeks
500mg USD 450 2 Weeks
1g USD 700 2 Weeks
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Synonym: Harmine; telepathine; Yageine; Yajeine; Banisterine; Leucoharmine.

IUPAC/Chemical Name: 7-methoxy-1-methyl-9H-pyrido[3,4-b]-indole


InChi Code: InChI=1S/C13H12N2O/c1-8-13-11(5-6-14-8)10-4-3-9(16-2)7-12(10)15-13/h3-7,15H,1-2H3


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

Product Data:

Preparing Stock Solutions

The following data is based on the product molecular weight 212.252000000000000000000000000000 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.

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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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