Fluorescein isothiocyanate isomer I

CAS3326-32-7

Fluorescein isothiocyanate isomer I (CAS 3326-32-7, C21H11NO5S) is supplied by ChemSigma for research and manufacturing, with specification, analytical methods and batch documentation available on request.

Chemical structure of Fluorescein isothiocyanate isomer I
C21H11NO5S · 389.38 g/mol
CAS No.
3326-32-7
Formula
C21H11NO5S
Mol. weight
389.38 g/mol
Appearance
Orange-yellow cryst.

Chemical Specifications

Identifiers

CAS number 3326-32-7
Product name Fluorescein isothiocyanate isomer I
Chinese name 异硫氰酸荧光素酯
Synonyms FITC
Chinese synonyms 荧光素-5-异氰酸酯; 异硫氰酸荧光酯异构体; 异硫氰酸荧光橙红; 异硫氰酸荧光红; 异硫氰酸荧光黄; 异硫氰酸荧光素(同分异构体I); 荧光素5-异硫氰酸盐,异构体1,95%; 异硫氰酸荧光素异构体1.95+%
Molecular formula C21H11NO5S
Molecular weight 389.38 g/mol
EC number 248-207-7

Physical and chemical properties

Appearance Orange-yellow cryst.
Boiling Point 398.7 ( ℃ )

Applications

<TABLE style="TABLE-LAYOUT: fixed" border=0 cellSpacing=1 cellPadding=2 width="100%" bgColor=#d5d5d5> <TBODY> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>mp&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>&gt;360&nbsp;°C(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>storage temp.&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>2-8°C<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>form&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>powder<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>Water Solubility&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>practically insoluble</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>Sensitive&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>Moisture Sensitive</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>BRN&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>1407295</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>Stability:</TD> <TD bgColor=#fafafa><FONT color=#0066cc>Stability Stable, but moisture-sensitive. Incompatible with strong oxidizing agents, strong bases, amines, acids.</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>CAS DataBase Reference</TD> <TD bgColor=#ffffff><A title="3326-32-7(CAS DataBase Reference)" href="CAS_3326-32-7.htm"><FONT color=#0066cc>3326-32-7(CAS DataBase Reference)</FONT></A></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>EPA Substance Registry System</TD> <TD bgColor=#fafafa><A title="Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]- 3-one, 3',6'-dihydroxy- 5-isothiocyanato-(3326-32-7)" href="http://iaspub.epa.gov/sor_internet/registry/substreg/searchandretrieve/advancedsearch/search.do?search=?search=&amp;searchCriteria(advancedCriteria)=casNumber=3326-32-7"><FONT color=#0066cc>Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]- 3-one, 3',6'-dihydroxy- 5-isothiocyanato-(3326-32-7</FONT></A></TD></TR></TBODY></TABLE>

Packaging, Storage & Transport

Available pack sizes 5kg, 1kg, 500g, 100g, 50g, 10g

Read the current safety data sheet before handling. Packaging can be adapted to the order quantity and destination.

Frequently Asked Questions

What is the CAS number of Fluorescein isothiocyanate isomer I?

The CAS Registry Number of Fluorescein isothiocyanate isomer I is 3326-32-7. Fluorescein isothiocyanate isomer I is also known as FITC.

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

The molecular formula of Fluorescein isothiocyanate isomer I is C21H11NO5S, and its molecular weight is 389.38 g/mol.

What is Fluorescein isothiocyanate isomer I used for?

<TABLE style="TABLE-LAYOUT: fixed" border=0 cellSpacing=1 cellPadding=2 width="100%" bgColor=#d5d5d5> <TBODY> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>mp&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>&gt;360&nbsp;°C(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>storage temp.&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>2-8°C<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>form&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>powder<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>Water Solubility&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>practically insoluble</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>Sensitive&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>Moisture Sensitive</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>BRN&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>1407295</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>Stability:</TD> <TD bgColor=#fafafa><FONT color=#0066cc>Stability Stable, but moisture-sensitive. Incompatible with strong oxidizing agents, strong bases, amines, acids.</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>CAS DataBase Reference</TD> <TD bgColor=#ffffff><A title="3326-32-7(CAS DataBase Reference)" href="CAS_3326-32-7.htm"><FONT color=#0066cc>3326-32-7(CAS DataBase Reference)</FONT></A></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>EPA Substance Registry System</TD> <TD bgColor=#fafafa><A title="Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]- 3-one, 3',6'-dihydroxy- 5-isothiocyanato-(3326-32-7)" href="http://iaspub.epa.gov/sor_internet/registry/substreg/searchandretrieve/advancedsearch/search.do?search=?search=&amp;searchCriteria(advancedCriteria)=casNumber=3326-32-7"><FONT color=#0066cc>Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]- 3-one, 3',6'-dihydroxy- 5-isothiocyanato-(3326-32-7</FONT></A></TD></TR></TBODY></TABLE>

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