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Merck
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Documentos Principais

2618

Millipore

Deoxyribonucleic Acid, Sodium Salt, Calf Thymus

Purified DNA from calf thymus. A260/280 nm: ≥ 1.8); S20w: 15.4-17.4; hyperchromicity: ≥27%.

Sinônimo(s):

Deoxyribonucleic Acid, Sodium Salt, Calf Thymus, DNA, Calf Thymus

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About This Item

Número CAS:
73049-39-5
Número MDL:
MFCD00007779
Código UNSPSC:
12352208
NACRES:
NA.51
Preço e disponibilidade não estão disponíveis no momento.

Nível de qualidade

100

Formulário

solid

fabricante/nome comercial

Calbiochem®

condição de armazenamento

OK to freeze
desiccated (hygroscopic)

cor

off-white

solubilidade

water: 1 mg/mL

Condições de expedição

ambient

temperatura de armazenamento

−20°C

Descrição geral

A260/280 nm: ≥ 1.8); hyperchromicity: ≥27%.
Purified DNA from calf thymus.
Purified DNA from calf thymus. An essential component of chromosomes. A260/280 nm: ≥ 1.8); hypechromicity: ≥27%.

Advertência

Toxicity: Standard Handling (A)

Reconstituição

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 1 year at -20°C.

Informações legais

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Questions

1–3 of 3 Questions  

  1. What is the purification process for product 2618-250MG, and to what extent is it pure? There is a suspicion of contamination with polyphosphate.

    1 answer

    1. The product 2618-250MG has not been assayed for polyphosphate content, and purity is not specified.

      Helpful?

  2. which Dna is used for DNAse assay?

    1 answer

    1. There are a number of DNA products that may be suitable. Many DNAse products offered are tested for activity using a DNA type I or III as a substrate. For quality control testing of product D4527, the substrate used is product D3664. This product is tested for suitability in DNAse assays.
      See the link below to review this product:
      https://www.sigmaaldrich.com/US/en/product/sigma/d3664

      Helpful?

  3. what is the approximate molecular weight of this DNA.(Cat. no. 2618-250)

    1 answer

    1. This product is a highly polymerized, high molecular weight, uncut preparation - likely tens of thousands of base pairs in length. Average size is not determined for this product.

      If you would like a product with a tested molecular weight, we offer product D4764 which is the genomic DNA from calf thymus as well. It is unsheared and has the molecular weight >20 kb. Please enclosed the product web page: https://www.sigmaaldrich.com/catalog/product/sigma/d4764?lang=en&region=GB&cm_sp=Insite-_-prodRecCold_xviews-_-prodRecCold10-2

      We also offer Product D4416 which is DNA that is categorized as high molecular weight DNA with the molecular weight >50 Kilo-base pair (kbp- same as kb): https://www.sigmaaldrich.com/catalog/product/sigma/d4416?lang=en&region=GB However this product is isolated from adult BALB/c mice.

      Helpful?

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