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Molecular Biology, Nucleotides & Purification Reagents

Fluorescein isothiocyanate isomer I, 90% (HPLC)

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Buy Fluorescein isothiocyanate isomer I, 90% (HPLC) (CAS 3326-32-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Fluorescein isothiocyanate isomer I, 90% (HPLC) chemical structure
CAS number3326-32-7
FormulaC21H11NO5S
Molar mass389.4 g/mol
Physical formPowder
HS code32049000
Purity90%
InChIKeyMHMNJMPURVTYEJ-UHFFFAOYSA-N
IUPAC name3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one

About Fluorescein isothiocyanate isomer I, 90% (HPLC)

Fluorescein isothiocyanate isomer I, 90% (HPLC) is part of the Zemixal molecular Biology, Nucleotides & Purification Reagents range. Key data (90%): CAS 3326-32-7, formula C21H11NO5S and molar mass 389.4 g/mol. Expect white to yellow to orange powder.

Use cases we see most often

  • Electrophoresis
  • DNA/RNA workflows
  • Protein analysis
  • Chromatography

Handling and storage

Physical constants on file: melting point >360 °C. Classified under GHS with signal word Danger and hazard statements H317 and H334. Read the SDS before first use.

Standard pack sizes are 50 mg, 100 mg, 250 mg and 1 g, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Electrophoresis
  • DNA/RNA workflows
  • Protein analysis
  • Chromatography

Applications

Diagnostics, Life Science and BiotechResearch Labs and Universities

Grade guides

HPLC Grade

Specifications and identifiers

Specifications of Fluorescein isothiocyanate isomer I, 90% (HPLC)
Product nameFluorescein isothiocyanate isomer I, 90% (HPLC)
Catalogue numberZX-003332
CAS number3326-32-7
IUPAC name3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular formulaC21H11NO5S
Molar mass389.4 g/mol
Exact mass389.0358
Purity / assay90%
Physical formPowder
AppearanceWhite to yellow to orange powder
Melting point>360 °C
XLogP34.8
H-bond donors / acceptors2 / 7
Topological polar surface area120 Ų
HS code32049000
InChIKeyMHMNJMPURVTYEJ-UHFFFAOYSA-N
SMILESC1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
PubChem CID18730
SynonymsFITC, Fluorescein 5-isothiocyanate, 5-FITC, 5-isothiocyanatofluorescein, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-5-isothiocyanato-, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-5-isothiocyanato-, 5 Isothiocyanatofluorescein, Fluorescein 5 isothiocyanate, Fluorescein 5 isothiocyanate Hydrochloride, Hydrochloride, Fluorescein-5-isothiocyanate, 3',6'-dihydroxy-5-isothiocyanato-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, fluorescein isothiocyanate isomer 1

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

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

Precautionary statements P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P403, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Fluorescein isothiocyanate isomer I, 90% (HPLC)
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Fluorescein isothiocyanate isomer I, 90% (HPLC)

Which CAS number identifies Fluorescein isothiocyanate isomer I, 90% (HPLC)?
Fluorescein isothiocyanate isomer I, 90% (HPLC) is registered under CAS 3326-32-7. You may also see it listed as FITC, Fluorescein 5-isothiocyanate, 5-FITC. Our catalogue number for this item is ZX-003332.
What are the formula and molar mass of Fluorescein isothiocyanate isomer I, 90% (HPLC)?
For Fluorescein isothiocyanate isomer I, 90% (HPLC), its formula is C21H11NO5S and its molar mass is 389.4 g/mol. The systematic (IUPAC) name is 3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one. InChIKey MHMNJMPURVTYEJ-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Fluorescein isothiocyanate isomer I, 90% (HPLC)?
This listing is 90% purity. Standard packs are 50 mg, 100 mg, 250 mg, 1 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Fluorescein isothiocyanate isomer I, 90% (HPLC)?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Fluorescein isothiocyanate isomer I, 90% (HPLC) to my country?
Yes. Because Fluorescein isothiocyanate isomer I, 90% (HPLC) is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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