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NAPHTHOL AS-E PHOSPHATE

CAS No.
18228-17-6
Chemical Name:
NAPHTHOL AS-E PHOSPHATE
Synonyms
kg-501;NASEP;KD-501;KG-501, 10 mM in DMSO;NAPHTHOL AS-E PHOSPHATE;2-naphthol-AS-E-phosphate;KG-501(NaphtholAS-Ephosphate);KG-501 (2-naphthol-AS-E-phosphate);NAPHTHOL AS-E PHOSPHATE NAPHTHOL FREE;NAPHTHOL AS-E-PHOSPHATE, FOR HISTOLOGY
CBNumber:
CB9737978
Molecular Formula:
C17H13ClNO5P
Molecular Weight:
377.72
MDL Number:
MFCD00042718
MOL File:
18228-17-6.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-22 18:57:36
Product description Number Pack Size Price
Naphthol AS-E phosphate for histology 70485 250mg $116
Naphthol AS-E phosphate N368028 100mg $60
KG-501 98.08% CS-0027313 10mg $70
Naphthol AS-E phosphate - 60% EN69791 500mg $75
Naphthol AS-E phosphate - 60% EN69791 250mg $45
More product size

NAPHTHOL AS-E PHOSPHATE Properties

Density 1.567±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Inert atmosphere,2-8°C
solubility DMSO: soluble
pka 1.04±0.30(Predicted)
form A crystalline solid
color White to light yellow
BRN 6664478
Major Application histology
InChI 1S/C17H13ClNO5P/c18-13-5-7-14(8-6-13)19-17(20)15-9-11-3-1-2-4-12(11)10-16(15)24-25(21,22)23/h1-10H,(H,19,20)(H2,21,22,23)
InChIKey RQAQWBFHPMSXKR-UHFFFAOYSA-N
SMILES OP(O)(=O)Oc1cc2ccccc2cc1C(=O)Nc3ccc(Cl)cc3
FDA UNII H6R6B93QFC
UNSPSC Code 12352204
NACRES NA.83

SAFETY

Risk and Safety Statements

PPE Eyeshields, Gloves, type N95 (US)
WGK Germany  3
8-10-21
Storage Class 11 - Combustible Solids

NAPHTHOL AS-E PHOSPHATE price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 70485 Naphthol AS-E phosphate for histology 18228-17-6 250mg $116 2026-03-19 Buy
TRC N368028 Naphthol AS-E phosphate 18228-17-6 100mg $60 2021-12-16 Buy
ChemScene CS-0027313 KG-501 98.08% 18228-17-6 10mg $70 2021-12-16 Buy
Biosynth Carbosynth EN69791 Naphthol AS-E phosphate - 60% 18228-17-6 500mg $75 2021-12-16 Buy
Biosynth Carbosynth EN69791 Naphthol AS-E phosphate - 60% 18228-17-6 250mg $45 2021-12-16 Buy
Product number Packaging Price Buy
70485 250mg $116 Buy
N368028 100mg $60 Buy
CS-0027313 10mg $70 Buy
EN69791 500mg $75 Buy
EN69791 250mg $45 Buy

NAPHTHOL AS-E PHOSPHATE Chemical Properties,Uses,Production

Uses

Naphthol AS-E phosphate has been used as a cAMP-response element-binding protein (CREB) inhibitor to dissolve in dimethyl sulfoxide (DMSO) as a stock solution in the study to test the hypothesis th at oncostatin M (OSM) may confer neuronal resistance against 3-nitropropionic acid (3-NP).

Biological Activity

Naphthol AS-E phosphate is a CREB inhibitor that disrupts CREB-dependent transcription (Ki=10 μM) and CREB:CBP interaction (Ki=50 μM). It also disrupts the binding of phosphorylated CREB (Ser-133) to KIX with a Ki of approximately 90 μM.

in vitro

Naphthol AS-E phosphate inhibited (or partially inhibited) the induction of cAMP-related genes by preventing CREB:CBP interaction. KG-501 inhibited neurite outgrowth, synaptogenesis and reduced MAP2+ neurons.

in vivo

Naphthol AS-E phosphate inhibited the expression of CREB, CCL2 and ERK phosphorylation, while significantly reducing cAMP levels. CREB may help to fight neuroinflammation through the cAMP/ERKadjustment pathway, thereby protecting nerves.It significantly promoted neurological function in a mouse model treated with azomethane oxide (AOM), reducing ERK phosphorylation levels and cAMP concentrations in the cortex.

target

NAPHTHOL AS-E PHOSPHATE Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 99)Suppliers
TargetValue
CREB
()
Supplier Tel Email Country ProdList Advantage
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795 ivan@atkchemical.com China 33024 60
Biochempartner
0086-13720134139 candy@biochempartner.com CHINA 965 58
BOC Sciences
+1-631-485-4226 inquiry@bocsci.com United States 19552 58
TargetMol Chemicals Inc.
+1-781-999-5354; +17819995354 marketing@targetmol.com United States 32467 58
HANGZHOU CLAP TECHNOLOGY CO.,LTD
86-571-88216897,88216896 13588875226 sales@hzclap.com CHINA 6312 58
Zhejiang J&C Biological Technology Co.,Limited
+1-2135480471 +1-2135480471; sales@sarms4muscle.com China 10473 58
InvivoChem
+1-708-310-1919 +1-13798911105 sales@invivochem.cn United States 6391 58
Hangzhou MolCore BioPharmatech Co.,Ltd.
+86-057181025280; +8617767106207 sales@molcore.com China 49734 58
Nantong HI-FUTURE Biology Co., Ltd.
+undefined18051384581 sales@chemhifuture.com China 3135 58
TargetMol Chemicals Inc.
+1-781-999-5354; support@targetmol.com United States 39040 58

View Lastest Price from NAPHTHOL AS-E PHOSPHATE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
KG-501 pictures 2026-04-22 KG-501
18228-17-6
US $46.00-145.00 / mg 97.81% 10g TargetMol Chemicals Inc.
  • KG-501 pictures
  • KG-501
    18228-17-6
  • US $46.00-145.00 / mg
  • 97.81%
  • TargetMol Chemicals Inc.

NAPHTHOL AS-E PHOSPHATE Spectrum

NAPHTHOL AS-E PHOSPHATE N-(4-chlorophenyl)-3-(phosphonooxy)naphthalene-2-carboxamide NAPHTHOL AS-E-PHOSPHATE, FOR HISTOLOGY NAPHTHOL AS-E PHOSPHATE NAPHTHOL FREE N-(4-Chlorophenyl)-3-phosphonooxy-2-naphthalenecarboxamide [3-[(4-chlorophenyl)carbamoyl]-2-naphthyl] dihydrogen phosphate kg-501 N-(4-CHLOROPHENYL)-3-(PHOSPHONOOXY)NAPHTHALENE-2-CARBOXAMIDE; KG-501; NASEP;NAPHTHOL AS-E PHOSPHATE;KG501;KG 501 NASEP 2-naphthol-AS-E-phosphate 2-NAPHTHOL-AS-E-PHOSPHATE;NAPHTHOL AS-E PHOSPHATE [3-[(4-chlorophenyl)carbamoyl]naphthalen-2-yl] dihydrogen phosphate KG-501(NaphtholAS-Ephosphate) KD-501 3-hydroxy-2-(hydroxymethyl)-2-methyl-1-phenyl-1-propanone 2-Naphthalenecarboxamide, N-(4-chlorophenyl)-3-(phosphonooxy)- KG-501 (2-naphthol-AS-E-phosphate) Epigenetic Reader Domain,inhibit,Inhibitor,KG 501,Naphthol AS-E,KG501,KG-501 KG-501, 10 mM in DMSO 18228-17-6 8228-17-6 18228-27-6 C17H13ClNO5P BioChemical Biochemicals and Reagents Enzyme Substrates Enzymes, Inhibitors, and Substrates Substrates by Enzyme Substrates API