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DAPI, 25 mg

≥98 %, p.a.
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4',6-Diamidino-2-phenylindole dihydrochloride
Empirical formula C16H17Cl2N5
Molar mass (M) 350,3 g/mol
Melting point (mp) 330 °C
Storage temp. -20 °C
Transport temp. ambient temp.
WGK 1
CAS No. 28718-90-3
EG-Nr. 249-186-7

For DNA-staining.
Stock solution: 1 to 10 mg/ml in sterile water.
Store in the dark! Stabile for one year when solubilised, stored at -20 °C, and protected from light.

Fluorescent dye with specific DNA-binding capacity. For detection of mycoplasms in cell culture, for quantitative DNA measurement, and for chromosome counter staining. Store in the dark!
Product details
€117.20 /Pack Qty.

€93.70/Pack Qty.  Campaign price!

excl. VAT. | 25 mg per Pack Qty.

Art. No. 6335.1

In stock
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Product details



DAPI ≥98 %, p.a.

Fluorescent dye with specific DNA-binding capacity. For detection of mycoplasms in cell culture, for quantitative DNA measurement, and for chromosome counter staining. Store in the dark!


Working concentration

Nucleus staining in living cells: approx. 1 µg/ml in medium
Nucleus staining in fixed cells or fixed tissue sections: approx. 0.2 µg/ml in PBS, TBS or another incubation buffer
Detection of mycoplasms: 1 µg/ml in methanol
Excitation maximum: 359 nm
Emission maximum: 461 nm



Technical Information
Absorption maximum 359 nm 
Emissions maximum 461 nm 
DAPI
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Art. No. Pack Qty. Pack. Price Quantity
6335.1 25 mg glass
€117.20

€93.70

6335.2 100 mg glass
€338.65

€270.90

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  1. Subtotal:  0.00

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Certificates of Analysis

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Guarantee analysis

Appearanceyellow powder
Assay (HPLC)≥98 %
Solubility (10 mg/ml in H2O)clear