Tech Serve Solutions

Fluorescein isothiocyanate isomer I

CAS 3326-32-7C21H11NO5SBiochemicals & Reagents

Fluorescein isothiocyanate isomer I (CAS 3326-32-7), molecular formula C21H11NO5S, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
FITC,Fluorescein 5-isothiocyanate
Fluorescein isothiocyanate isomer I
Biochemicals and ReagentsCell BiologyFluorescein and DerivativesFluorescent LabelsFluorescent ProbesLabelsParticles and StainsHematology and HistologyStains & DyesA to Z
01 /Properties
Molecular weight389.38
Empirical formulaC21H11NO5S
Assay90%
Formpowder
Solubilityacetone: soluble1 mg/mL
Storage temperature2-8°C
ApplicationReagent for the FITC labeling of proteins; Microsequencing of proteins and peptides (HPLC)
Melting point>360 °C(lit.)
Suitabilitysuitable for protein labeling
02 /Safety & handling
Health hazard
Health hazard
Danger

Hazard statements

  • H317May cause an allergic skin reaction
  • H334May cause allergy or asthma symptoms if inhaled

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P280Wear protective gloves, clothing and eye/face protection
  • P342
Protective equipmentdust mask type N95 (US), Eyeshields, Faceshields, Gloves
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)42/43
Safety statements (S)22-36/37-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
3326-32-7
MDL number
MFCD00005063
PubChem substance
24894823
Beilstein registry
1407295
04 /Additional specifications
Absorptionλmax 499 nm
Fluorescenceλex 492 nm; λem 518 nm (green)
05 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Fluorescein isothiocyanate isomer I?

+

Fluorescein isothiocyanate isomer I (CAS 3326-32-7), molecular formula C21H11NO5S, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.

What grades of Fluorescein isothiocyanate isomer I does Tech Serve Solutions supply?

+

Tech Serve Solutions supplies Fluorescein isothiocyanate isomer I in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of Fluorescein isothiocyanate isomer I?

+

Fluorescein isothiocyanate isomer I has CAS number 3326-32-7 and molecular formula C21H11NO5S. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Fluorescein isothiocyanate isomer I?

+

Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

+

Yes. Every batch of Fluorescein isothiocyanate isomer I ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should Fluorescein isothiocyanate isomer I be stored?

+

Store Fluorescein isothiocyanate isomer I in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is Fluorescein isothiocyanate isomer I used for?

+

Fluorescein isothiocyanate isomer I is used in biochemicals & reagents applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for Fluorescein isothiocyanate isomer I?

+

Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need Fluorescein isothiocyanate isomer I in a specific grade or volume?

Request a quote