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FLUORESCEIN-5-THIOSEMICARBAZIDE

CAS No.
76863-28-0
Chemical Name:
FLUORESCEIN-5-THIOSEMICARBAZIDE
Synonyms
Fluorescein-5-thiosemicarbazide HCl;5-FTSC;5-FITSC;FLUORESCEIN-5-THIOSEMICARBAZIDE;FLUORESCEIN-5-THIOSEMICARBAZIDE [5-FTSC];Fluorescein-5-thiosemicarbazide Hydrochloride;5-FTSC [Fluorescein-5-thiosemicarbazide] - 25 mg;Fluorescein-5-thiosemicarbazide, Fluorescent tag;FLUORESCEIN-5-THIOSEMICARBAZIDE, FOR FLU ORESCENCE;N-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)hydrazinecarbothioamide
CBNumber:
CB1699900
Molecular Formula:
C21H15N3O5S
Molecular Weight:
421.43
MDL Number:
MFCD04221432
MOL File:
76863-28-0.mol
Last updated:2026-01-13 11:13:52
Product description Number Pack Size Price
Fluorescein-5-thiosemicarbazide suitable for fluorescence, ~80% (HPCE) 46985 100mg $365
Fluorescein-5-thiosemicarbazide (hydrochloride) 19587 25mg $81
Fluorescein-5-thiosemicarbazide (hydrochloride) 19587 50mg $120
Fluorescein-5-thiosemicarbazide (hydrochloride) 19587 100mg $223
Fluorescein-5-thiosemicarbazide HCl 276037 10mg $322

FLUORESCEIN-5-THIOSEMICARBAZIDE Properties

Boiling point 723.8±70.0 °C(Predicted)
Density 1.70±0.1 g/cm3(Predicted)
storage temp. -20°C
solubility DMF: soluble
pka 9.33 ± 0.20, most acidic, temperature: 25 °C; 1.76 ± 0.19, most basic(at 25℃)
form Solid
color Yellow solid
Appearance Solid Powder
λmax 492 nm (Buffer pH 9.0)
Major Application Characterizing soft material interfaces; understanding fibrous network structures; in nanodevice preparation; functionalizing/ encapsulatiing particles by initiated chemical vapor deposition (iCVD); functional polymer coatings; high refractive index coatings; papers
Biological Applications Analyzing low-molecular mass aldehydes in urine, drinking waters; assaying glycosaminoglycan-degrading enzyme activity; detecting sterols; measuring/quantifying degree of hair damage
InChI InChI=1S/C21H15N3O5S/c22-24-20(30)23-10-1-4-14-13(7-10)19(27)29-21(14)15-5-2-11(25)8-17(15)28-18-9-12(26)3-6-16(18)21/h1-9,25-26H,22H2,(H2,23,24,30)
InChIKey OIMMDIXLTJAVTF-UHFFFAOYSA-N
SMILES N(C(NC1C=CC2C3(C4=C(C=C(O)C=C4)OC4=C3C=CC(O)=C4)OC(=O)C=2C=1)=S)N
UNSPSC Code 12352125
NACRES NA.32

SAFETY

Risk and Safety Statements

PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  22-24/25
WGK Germany  3
8
Storage Class 11 - Combustible Solids

FLUORESCEIN-5-THIOSEMICARBAZIDE price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 46985 Fluorescein-5-thiosemicarbazide suitable for fluorescence, ~80% (HPCE) 76863-28-0 100mg $365 2025-07-31 Buy
Cayman Chemical 19587 Fluorescein-5-thiosemicarbazide (hydrochloride) 76863-28-0 25mg $81 2024-03-01 Buy
Cayman Chemical 19587 Fluorescein-5-thiosemicarbazide (hydrochloride) 76863-28-0 50mg $120 2024-03-01 Buy
Cayman Chemical 19587 Fluorescein-5-thiosemicarbazide (hydrochloride) 76863-28-0 100mg $223 2024-03-01 Buy
Usbiological 276037 Fluorescein-5-thiosemicarbazide HCl 76863-28-0 10mg $322 2021-12-16 Buy
Product number Packaging Price Buy
46985 100mg $365 Buy
19587 25mg $81 Buy
19587 50mg $120 Buy
19587 100mg $223 Buy
276037 10mg $322 Buy

FLUORESCEIN-5-THIOSEMICARBAZIDE Chemical Properties,Uses,Production

Description

Fluorescein-5-thiosemicarbazide (FTSC) is a fluorescent probe for labeling aldehydes and ketones in cell surface.

Uses

Labeling of cell-surface functional groups (glycophorins). Detection of protein carbonyls in aging tissues.

Uses

Fluorescein-5-thiosemicarbazide can be used for Sox2 transcription factor binds RNA.

FLUORESCEIN-5-THIOSEMICARBAZIDE Preparation Products And Raw materials

Raw materials

Preparation Products

FLUORESCEIN-5-THIOSEMICARBAZIDE Suppliers

Global( 84)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Alfa Chemical Co., Ltd
+8615838112936 sale03@alfachem.cn China 9252 58
Shanghai Acmec Biochemical Technology Co., Ltd.
+86-18621343501; +undefined18621343501 product@acmec-e.com China 33325 58
Aladdin Scientific
tp@aladdinsci.com United States 57505 58
SHANGHAI KEAN TECHNOLOGY CO., LTD.
+8613817748580 cooperation@kean-chem.com China 40066 58
Xi'an Kaixin Biotechnology Co., Ltd 029-68881181 13619217766 3495811982@qq.com China 2806 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532 jkinfo@jkchemical.com China 96815 76
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18729 57
Hunan Hui Bai Shi Biotechnology Co., Ltd. 0731-85526065 13308475853 ivy@hnhbsj.com China 7247 62
Shanghai Aladdin Bio-Chem Technology Co.,LTD 400-6206333 13167063860 anhua.mao@aladdin-e.com China 25829 65
Bide Pharmatech Ltd. 400-400-164-7117 18317119277 product02@bidepharm.com China 40000 60
FLUORESCEIN-5-THIOSEMICARBAZIDE, FOR FLU ORESCENCE FLUORESCEIN-5-THIOSEMICARBAZIDE 5-FTSC FLUORESCEIN-5-THIOSEMICARBAZIDE [5-FTSC] Fluorescein-5-thiosemicarbazide Hydrochloride Fluorescein-5-thiosemicarbazide HCl Hydrazinecarbothioamide, N-(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)- Fluorescein-5-thiosemicarbazide, Fluorescent tag 5-FITSC 5-FTSC [Fluorescein-5-thiosemicarbazide] - 25 mg N-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)hydrazinecarbothioamide 76863-28-0 C21H15N3O6 BioChemical Biochemicals and Reagents Fluorescent Probes, Labels, Particles and Stains Detection