WST-3
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    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 562733

CAS#: 515111-36-1

Description: WST-3 is a sensitive tetrazolium reagent (light red). It produces a water-soluble formazan (dark red color).

Chemical Structure

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WST-3
CAS# 515111-36-1
Instruction

Theoretical Analysis

MedKoo Cat#: 562733
Name: WST-3
CAS#: 515111-36-1
Chemical Formula: C19H10IN6NaO10S2
Exact Mass: 0.00
Molecular Weight: 696.330
Elemental Analysis: C, 32.77; H, 1.45; I, 18.22; N, 12.07; Na, 3.30; O, 22.98; S, 9.21

Price and Availability

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100mg USD 350
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Synonym: WST-3; WST 3; WST3;

IUPAC/Chemical Name: Sodium 4-[2-(2,4-dinitrophenyl)-3-(4-iodophenyl)tetrazol-2-ium-5-yl]benzene-1,3-disulfonate

InChi Key: LKVNWZJLLRMMAS-UHFFFAOYSA-M

InChi Code: InChI=1S/C19H11IN6O10S2.Na/c20-11-1-3-12(4-2-11)23-21-19(15-7-6-14(37(31,32)33)10-18(15)38(34,35)36)22-24(23)16-8-5-13(25(27)28)9-17(16)26(29)30;/h1-10H,(H-,31,32,33,34,35,36);/q;+1/p-1

SMILES Code: O=S(C1=CC=C(C2=NN(C3=CC=C(I)C=C3)[N+](C4=CC=C([N+]([O-])=O)C=C4[N+]([O-])=O)=N2)C(S(=O)([O-])=O)=C1)([O-])=O.[Na+]

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: >2 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 696.33 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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Reconstitution Calculator

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1: Wawra A, Friesl-Hanl W, Jäger A, Puschenreiter M, Soja G, Reichenauer T, Watzinger A. Investigations of microbial degradation of polycyclic aromatic hydrocarbons based on (13)C-labeled phenanthrene in a soil co-contaminated with trace elements using a plant assisted approach. Environ Sci Pollut Res Int. 2018 Mar;25(7):6364-6377. doi: 10.1007/s11356-017-0941-y. Epub 2017 Dec 16. PubMed PMID: 29249024.

2: Chen YP, Chen YF, Zhao JT, Huang X, Huang XL. Cloning and expression of resistance gene analogs (RGAs) from wild banana resistant to banana Fusarium wilt. Zhi Wu Sheng Li Yu Fen Zi Sheng Wu Xue Xue Bao. 2007 Dec;33(6):567-73. PubMed PMID: 18349511.