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

MedKoo CAT#: 564859

CAS#: 21233-09-0 (cyclohexanamine)

Description: OMFP, also known as 3-O-Methyl fluorescein phosphate monocyclohexylammonium, is a fluorogenic substrate for phosphatase.

Chemical Structure

CAS# 21233-09-0 (cyclohexanamine)

Theoretical Analysis

MedKoo Cat#: 564859
Name: OMFP
CAS#: 21233-09-0 (cyclohexanamine)
Chemical Formula: C27H28NO8P
Exact Mass:
Molecular Weight: 525.4938
Elemental Analysis: C, 61.71; H, 5.37; N, 2.67; O, 24.36; P, 5.89

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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Related CAS #: 21214-18-6 (free acid)   21233-09-0 (cyclohexanamine)    

Synonym: OMFP; 3-OMFP; 3-O-Methyl fluorescein phosphate monocyclohexylammonium salt.

IUPAC/Chemical Name: cyclohexanamine 3'-methoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6'-yl phosphate


InChi Code: InChI=1S/C21H15O8P.C6H13N/c1-26-12-6-8-16-18(10-12)27-19-11-13(29-30(23,24)25)7-9-17(19)21(16)15-5-3-2-4-14(15)20(22)28-21;7-6-4-2-1-3-5-6/h2-11H,1H3,(H2,23,24,25);6H,1-5,7H2


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 525.4938 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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1: Ramírez-Tapia AL, Baylón-Pacheco L, Espíritu-Gordillo P, Rosales-Encina JL. Characterization of the protein tyrosine phosphatase PRL from Entamoeba histolytica. Exp Parasitol. 2015 Dec;159:168-82. doi: 10.1016/j.exppara.2015.09.014. Epub 2015 Sep 30. PubMed PMID: 26431820.