• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
4-Aminophenylphosphate Monosodium

4-Aminophenylphosphate Monosodium

Product ID A5030
Cas No. 52331-30-3
Purity ≥97%
Product Unit SizeCostQuantityStock
10 mg $50.00 In stock
50 mg $107.00 Please Inquire
100 mg $171.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

4-Aminophenyl phosphate is an alkaline phosphatase substrate used to quantify enzyme activity in immunoassays.

Product Info

Cas No.

52331-30-3

Purity

≥97%

Formula

C6H7NO4PNa

Formula Wt.

211.09

Chemical Name

4-aminobenzenephosphoric sodium

IUPAC Name

4-phosphonatoaniline

Melting Point

174-178°C

Solubility

Soluble in methanol, water.

Appearance

White solid

Shipping and Storage

Store Temp

-20°C

Ship Temp

Ambient

Downloads

MSDS

A5030 MSDS PDF

Info Sheet

A5030 Info Sheet PDF

References

Akanda MR, Tamilavan V, Park S, et al. Hydroquinone diphosphate as a phosphatase substrate in enzymatic amplification combined with electrochemical-chemical-chemical redox cycling for the detection of E. coli O157:H7. Anal Chem. 2013 Feb 5;85(3):1631-6. PMID: 23327094.

Pemberton RM, Hart JP, Stoddard P, et al. A comparison of 1-naphthyl phosphate and 4 aminophenyl phosphate as enzyme substrates for use with a screen-printed amperometric immunosensor for progesterone in cows' milk. Biosens Bioelectron. 1999 May 31;14(5):495-503. PMID: 10451917.

Xiang Y, Zhang Y, Qian X, et al. Ultrasensitive aptamer-based protein detection via a dual amplified biocatalytic strategy. Biosens Bioelectron. 2010 Jul 15;25(11):2539-2542. PMID: 20452761.

Tang H, Lunte C, Halsall B, et al. p-Aminophenyl phosphate: an improved substrate for electrochemical enzyme immunoassay. Analytica Chimica Acta. 1988;214:187-195.

Frew J, Foulds N, Wilshere J, et al. Measurement of alkaline phosphatase activity by electrochemical detection of phosphate esters. J Electroanal Chem. 1989;266:309-316.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • E9416

    Exendin-3

    Peptide, GLP-1 analog found in Heloderma; GLP-1...

    ≥95%
  • D3448

    Dimethyl Fumarate

    Fumaric acid methyl ester; nAChR agonist, indir...

    ≥98%
  • R3011

    Recombinant TpN 15 protein

    Recombinant protein containing Treponema pallid...

    ≥95%
  • O9596

    Oxybutynin Hydrochloride

    mAChR antagonist.

    ≥98%
  • C5863

    Coptisine Chloride, natural

    Isoquinoline alkaloid found in a variety of pla...

    ≥98%
  • D760022

    DT-2216

    BCL-XL specific degrader

    ≥98%
  • S771337

    STING Agonist-1

    Indirect activator of STING signaling

    ≥98%
  • N0075

    Natamycin

    Polyene macrolide; ergosterol inhibitor.

    ≥98%
  • A5134

    Aminophylline Anhydrous

    Adenosine antagonist, PDE inhibitor.

    ≥98%
  • T3033

    Thienyldodecyl Isothiocyanate

    Thienylbutyl ITC analog.

    ≥98%
  • K0038

    Kahweol Oleate

    Diterpene found in coffee beans.

    ≥98%
  • R5212

    RN-486

    Btk inhibitor.

    ≥98%
  • P1755

    Pentoxifylline

    Xanthine derivative; adenosine A2 antagonist, P...

    ≥98%
  • P2819

    6-Phenylhexa-3,5-dien-2-one

    Minor kavalactone originally found in Piper met...

    ≥96%
  • T0393

    (+/-)-Taxifolin Hydrate

    Catechol-type flavonoid.

    ≥95%
  • N3474

    Nisoldipine

    Calcium channel blocker.

    ≥98%
  • E7857

    Etofenamate

    NSAID; COX-1/2 and lipoxygenase inhibitor.

    ≥98%
  • B011458

    Baloxavir

    Cap-dependent endonuclease inhibitor

    ≥ 99%
  • B6802

    Bradykinin (1-3)

    Natriuretic, vasodilatory peptide fragment; B1/...

    ≥95%
  • I7558

    1-Isothiocyanato-9-(methylsulfenyl)-nonane

    ITC, erucin analog.

    ≥97%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only