AHR-1900 free base

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

MedKoo CAT#: 573497

CAS#: 21492-67-1

Description: AHR-1900 free base is a butyrophenone derivative which may be used in the treatment of schizophrenia.


Chemical Structure

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AHR-1900 free base
CAS# 21492-67-1

Theoretical Analysis

MedKoo Cat#: 573497
Name: AHR-1900 free base
CAS#: 21492-67-1
Chemical Formula: C21H24FNO3
Exact Mass: 357.17
Molecular Weight: 357.430
Elemental Analysis: C, 70.57; H, 6.77; F, 5.32; N, 3.92; O, 13.43

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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Synonym: AHR-1900 free base, AHR-1900,

IUPAC/Chemical Name: 1-(4-Fluorophenyl)-4-(3-(2-methoxyphenoxy)-1-pyrrolidinyl)-1-butanone

InChi Key: DBSZFOMWGPKWPJ-UHFFFAOYSA-N

InChi Code: 1S/C21H24FNO3/c1-25-20-6-2-3-7-21(20)26-18-12-14-23(15-18)13-4-5-19(24)16-8-10-17(22)11-9-16/h2-3,6-11,18H,4-5,12-15H2,1H3

SMILES Code: COc1ccccc1OC2CCN(CCCC(=O)c3ccc(F)cc3)C2

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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 357.43 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Sugerman AA, Herrmann J, O'Hara M. A pilot study of AHR-1900 in chronc schizophrenic patients. Curr Ther Res Clin Exp. 1970 Apr;12(4):234-6. PubMed PMID: 4989873.

2: Gallant DM, Bishop MP. AHR-1900: a butyrophenone derivative. Curr Ther Res Clin Exp. 1969 Dec;11(12):793-5. PubMed PMID: 4984045.

3: Stanley M, Wilk S. The effect of antipsychotic drugs and their clinically inactive analogs on dopamine metabolism. Eur J Pharmacol. 1977 Aug 15;44(4):293-302. PubMed PMID: 19267.

4: Hays SE, Poland RE, Rubin RT. Prolactin releasing potencies of antipsychotic and related nonantipsychotic compounds in female rats: relation to clinical potencies. J Pharmacol Exp Ther. 1980 Aug;214(2):362-7. PubMed PMID: 6104725.