Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

34321 FITC, Isomer I

View Products on Sigmaaldrich.com
34321
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

CAS #Purity
3326-32-7≥95% by TLC

Products

Catalogue NumberPackaging Qty/Pack
34321-1GM Plastic ampoule 1 gm
Description
OverviewPopular derivative of fluorescein. Can be used to label antibodies and other proteins.
Catalogue Number34321
Brand Family Calbiochem®
SynonymsFluorescein Isothiocyanate, Isomer I
References
ReferencesCherry, N.B., et al. 1965. Stain Technol. 44, 179.
Product Information
CAS number3326-32-7
FormOrange red solid
Hill FormulaC₂₁H₁₁NO₅S
Chemical formulaC₂₁H₁₁NO₅S
Hygroscopic Hygroscopic
Structure formula ImageStructure formula Image
Quality LevelMQ100
Applications
Biological Information
Purity≥95% by TLC
Physicochemical Information
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Safety Information
Product Usage Statements
Storage and Shipping Information
Ship Code Ambient Temperature Only
Toxicity Standard Handling
Storage +2°C to +8°C
Protect from Light Protect from light
Hygroscopic Hygroscopic
Do not freeze Ok to freeze
Special InstructionsFollowing reconstitution aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Global Trade Item Number
Catalogue Number GTIN
34321-1GM 04055977195071

Documentation

FITC, Isomer I SDS

Title

Safety Data Sheet (SDS) 

FITC, Isomer I Certificates of Analysis

TitleLot Number
34321

References

Reference overview
Cherry, N.B., et al. 1965. Stain Technol. 44, 179.
Data Sheet

Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

Revision30-August-2016 JSW
SynonymsFluorescein Isothiocyanate, Isomer I
DescriptionA fluorescent labeling agent used to label antibodies, lectins, toxins, various proteins, and oligopeptides with fluorescein. FITC-antibody conjugates are useful in many applications, including flow cytometry and immunohistochemistry (excitation maximum = 492 nm; emission maximum = 520 nm). λ max: 492 ± 3 nm (pH 9). Fluorescence EMmax: 520 ± 3 nm (pH 9).
FormOrange red solid
CAS number3326-32-7
Chemical formulaC₂₁H₁₁NO₅S
Structure formulaStructure formula
Purity≥95% by TLC
SolubilityDMSO (5 mg/ml), DMF, or Aqueous buffers (ph ≥9.0)
Storage Protect from light
+2°C to +8°C
Hygroscopic
Do Not Freeze Ok to freeze
Special InstructionsFollowing reconstitution aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Toxicity Standard Handling
ReferencesCherry, N.B., et al. 1965. Stain Technol. 44, 179.