N-(4-AMINOBUTYL)-5-CHLORO-2-NAPHTHALENESULFONAMIDE HYDROCHLORIDE
Synonym(s):N-(4-Aminobutyl)-5-chloro-2-naphthalenesulfonamide hydrochloride;N-(4-Aminobutyl)-5-chloro-2-naphthalenesulfonamide, HCl;W13;W-13, Hydrochloride - CAS 88519-57-7 - Calbiochem
- CAS NO.：88519-57-7
- Empirical Formula: C14H18Cl2N2O2S
- Molecular Weight: 349.28
- MDL number: MFCD00058030
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-27 17:00:41
What is N-(4-AMINOBUTYL)-5-CHLORO-2-NAPHTHALENESULFONAMIDE HYDROCHLORIDE?
Description
W-
Chemical properties
Beige Solid
The Uses of N-(4-AMINOBUTYL)-5-CHLORO-2-NAPHTHALENESULFONAMIDE HYDROCHLORIDE
Calmodulin antagonist that binds to calmodulin and inhibits calcium-ion-calmodulin- regulated activities, including phosphodiesterase activation and myosin light chain kinase127, it is widely used to investigate Ca2+/calmodulin-regulated enzyme activities.
The Uses of N-(4-AMINOBUTYL)-5-CHLORO-2-NAPHTHALENESULFONAMIDE HYDROCHLORIDE
W-13 is a naphthalenesulfonamide derivative that acts as a potent antagonist of calmodulin (IC50 = 22 μM) and is widely used to investigate Ca2+/calmodulin-regulated enzyme activities.
What are the applications of Application
W-13 Isomer hydrochloride is an isomer of W-13 that inhibits CaM activity
Definition
ChEBI: N-(4-aminobutyl)-5-chloronaphthalene-2-sulfonamide hydrochloride is a hydrochloride salt prepared from equimolar amounts of N-(4-aminobutyl)-5-chloronaphthalene-2-sulfonamide and hydrogen chloride. It contains a N-(4-aminobutyl)-5-chloronaphthalene-2-sulfonamide(1+).
Biological Activity
Calmodulin antagonist (inhibits calmodulin activated PDE activity with an IC 50 of 68 μ M). Inhibits growth of tamoxifen-resistant breast cancer cells.
Biochem/physiol Actions
W-13 has also been shown to inhibit the transcytosis of IgA, recycling of transferrin and overall alter the endocytic pathway in Madin-Darby canine kidney cells.
Storage
Store at RT
Properties of N-(4-AMINOBUTYL)-5-CHLORO-2-NAPHTHALENESULFONAMIDE HYDROCHLORIDE
| Melting point: | 241-243°C |
| storage temp. | room temp |
| solubility | H2O: Stock solutions of 5 mM are recommended. These stocks should be stable for up to 6 months when stored at 4°C.soluble |
| form | powder |
| color | white |
| CAS DataBase Reference | 88519-57-7(CAS DataBase Reference) |
Safety information for N-(4-AMINOBUTYL)-5-CHLORO-2-NAPHTHALENESULFONAMIDE HYDROCHLORIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for N-(4-AMINOBUTYL)-5-CHLORO-2-NAPHTHALENESULFONAMIDE HYDROCHLORIDE
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