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Merck

C0875

Calcein

Powder

Sinónimos:

Bis[N,N−bis(carboxymethyl)aminomethyl]fluorescein, Fluorescein-bis(methyliminodiacetic acid), Fluorexon

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About This Item

Fórmula empírica (notación de Hill):
C30H26N2O13
Número CAS:
154071-48-4
Peso molecular:
622.53
MDL number:
MFCD00005049
UNSPSC Code:
12171500
PubChem Substance ID:
24892279
NACRES:
NA.47
Beilstein/REAXYS Number:
8181068

Nombre del producto

Calcein, Used for the fluorometric determination of calcium and EDTA titration of calcium in the presence of magnesium.

InChI key

DEGAKNSWVGKMLS-UHFFFAOYSA-N

SMILES string

OC(=O)CN(CC(O)=O)Cc1cc2c(Oc3cc(O)c(CN(CC(O)=O)CC(O)=O)cc3C24OC(=O)c5ccccc45)cc1O

description

mixed isomers

form

powder

technique(s)

titration: suitable

color

yellow to brown

solubility

NaOH: 50 mg/mL

fluorescence

λex 470 nm; λem 509 nm (pH 7.4)

suitability

suitable for (Suitable for fluorometric determination of Ca Suitable for EDTA titration of Ca in the presence of Mg)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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Application

Calcein has been used:
  • in whole cell staining
  • in histomorphometry and micro-computed tomography
  • to label active bone-forming surfaces

Biochem/physiol Actions

Calcein is a calcium-dependent fluorescent molecule. It is mainly required to study bone metabolism under in vivo conditions and helps in the staining of pit area under in vitro conditions. Calcein is used for the fluorometric determination of calcium and EDTA (ethylenediaminetetraacetic acid) titration of calcium.

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
SHBT2898
0000318477
0000318477
SHBQ5555
WXBF0693V

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What are the excitation and emission wavelengths of Calcein, Product C0875?

    Conn's Biological Stains, 10th Edition states excitation is at 494 nm in aqueous solutions at pH 9; the emission maximum is 517 nm. Depending upon the pH of the solution, slightly different values have been reported in the literature.

  4. Is there a reference for using Calcein, Product C0875, to study bone growth?

    Clement-Lacroix, P., et al. Osteoblasts are a new target for prolactin: analysis of bone formation in prolactin receptor knockout mice. Endocrinology, 140, 96-105 (1999).

  5. What is the extinction coefficient of Calcein, Product C0875?

    For samples in 1 M sodium hydroxide: E1% = 1040 at 500-504 nm; E1% = 466 at 242-245 nm.

  6. What is the solubility of Calcein, Product C0875?

    Calcein is soluble at a concentration of 50 mg/mL in 1M sodium hydroxide, yielding clear orange to brown solution.

  7. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  8. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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