WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 561699

CAS#: 1461-15-0

Description: Calcein is a fluorescent dye that is useful for testing cell viability and for short-term labeling of cells.

Chemical Structure

CAS# 1461-15-0

Theoretical Analysis

MedKoo Cat#: 561699
Name: Calcein
CAS#: 1461-15-0
Chemical Formula: C30H26N2O13
Exact Mass: 622.1435
Molecular Weight: 622.53
Elemental Analysis: C, 57.88; H, 4.21; N, 4.50; O, 33.41

Price and Availability

Size Price Availability Quantity
1.0g USD 175.0 2 Weeks
5.0g USD 300.0 2 Weeks
10.0g USD 530.0 2 Weeks
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Synonym: Calcein; Fluorexon; Oftasceine; Oftasceina; Oftasceinum;

IUPAC/Chemical Name: 2-[[7'-[[Bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid


InChi Code: InChI=1S/C30H26N2O13/c33-21-7-23-19(5-15(21)9-31(11-25(35)36)12-26(37)38)30(18-4-2-1-3-17(18)29(43)45-30)20-6-16(22(34)8-24(20)44-23)10-32(13-27(39)40)14-28(41)42/h1-8,33-34H,9-14H2,(H,35,36)(H,37,38)(H,39,40)(H,41,42)

SMILES Code: O=C(O)CN(CC1=CC(C2(C3=CC=CC=C34)OC4=O)=C(OC5=C2C=C(CN(CC(O)=O)CC(O)=O)C(O)=C5)C=C1O)CC(O)=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 622.53 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

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