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Fluorescein isothiocyanate isomer I hydrochloride

异硫氰酸荧光素I盐酸盐

Also known as: FITC I hydrochloride, Fluorescein isothiocyanate I hydrochloride, Fluorescein-5-isothiocyanate hydrochloride, 5-Isothiocyanato fluorescein hydrochloride, FLUORESCEIN ISOTHIOCYANATE (FITC) HYDROCHLORIDE, FLUORESCEIN ISOTHIOCYANATE I HYDROCHLORIDE, 3',6'-dihydroxy-5-isothiocyanatospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one hydrochloride

Fluorescein isothiocyanate isomer I hydrochloride (CAS 63469-13-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H12ClNO5S and a molecular weight of 425.84200 g/mol. It is also known as FITC I hydrochloride, Fluorescein isothiocyanate I hydrochloride and Fluorescein-5-isothiocyanate hydrochloride. Key properties include a melting point of 360ºC, a boiling point of 708.6ºC at 760 mmHg and a flash point of 382.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63469-13-6
Jingsj CID
J-903523-2
Molecular Formula
C21H12ClNO5S
Chinese Name
异硫氰酸荧光素I盐酸盐
Molecular Weight
425.84200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point360ºC
Boiling Point708.6ºC at 760 mmHg
Flash Point382.4ºC

Frequently Asked Questions

What is the CAS number of Fluorescein isothiocyanate isomer I hydrochloride?

The CAS number of Fluorescein isothiocyanate isomer I hydrochloride is 63469-13-6.

What are the molecular formula and molecular weight of Fluorescein isothiocyanate isomer I hydrochloride?

Fluorescein isothiocyanate isomer I hydrochloride has molecular formula C21H12ClNO5S and molecular weight 425.84200 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Fluorescein isothiocyanate isomer I hydrochloride (CAS 63469-13-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-903523-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.