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94403

Sigma-Aldrich

Hoechst 33258 solution

1 mg/mL in H2O, ≥98.0% (HPLC)

Sinonimo/i:

bisBenzimide H 33258 solution

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About This Item

Formula empirica (notazione di Hill):
C25H24N6O · 3HCl
Numero CAS:
23491-45-4
Peso molecolare:
533.88
Numero MDL:
MFCD29074011
Codice UNSPSC:
12171500
ID PubChem:
329770334
NACRES:
NA.32

Saggio

≥98.0% (HPLC)

Stato

liquid

Concentrazione

1 mg/mL in H2O

Solubilità

DMF: soluble
H2O: soluble

Fluorescenza

λex 355 nm; λem 465 nm in TE buffer; DNA

Temperatura di conservazione

2-8°C

Stringa SMILE

Cl.Cl.Cl.CN1CCN(CC1)c2ccc3[nH]c(nc3c2)-c4ccc5nc([nH]c5c4)-c6ccc(O)cc6

InChI

1S/C25H24N6O.3ClH/c1-30-10-12-31(13-11-30)18-5-9-21-23(15-18)29-25(27-21)17-4-8-20-22(14-17)28-24(26-20)16-2-6-19(32)7-3-16;;;/h2-9,14-15,32H,10-13H2,1H3,(H,26,28)(H,27,29);3*1H
SMNPLAKEGAEPJD-UHFFFAOYSA-N

Descrizione generale

Hoechst 33258, also known as bisbenzimide, is a fluorescent blue dye. It is categorized as a chromosomal stain that binds to the minor groove of the DNA double helix recognizing a run of four A-T base pairs.

Applicazioni

Hoechst 33258 is used to estimate DNA concentration in samples by fluorometry which is better than spectrophotometry, allowing the determination of nanogram quantities of DNA. Also, Hoechst 33258 is suitable to detect mycoplasma contamination in cell cultures due to its high fluorescence ability.

Codice della classe di stoccaggio

10 - Combustible liquids

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
BCCK6782
BCCH3038
BCCH1899
BCCG8111
BCCG4764

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Cornelia Fritsch et al.
PLoS genetics, 15(7), e1008269-e1008269 (2019-07-13)
Development of eye tissue is initiated by a conserved set of transcription factors termed retinal determination network (RDN). In the fruit fly Drosophila melanogaster, the zinc-finger transcription factor Glass acts directly downstream of the RDN to control identity of photoreceptor
Rajam S Mani et al.
The Journal of biological chemistry, 294(2), 520-530 (2018-11-18)
Polynucleotide kinase/phosphatase (PNKP) and X-ray repair cross-complementing 1 (XRCC1) are key proteins in the single-strand DNA break repair pathway. Phosphorylated XRCC1 stimulates PNKP by binding to its forkhead-associated (FHA) domain, whereas nonphosphorylated XRCC1 stimulates PNKP by interacting with the PNKP
Hansruedi Mathys et al.
Nature, 570(7761), 332-337 (2019-05-03)
Alzheimer's disease is a pervasive neurodegenerative disorder, the molecular complexity of which remains poorly understood. Here, we analysed 80,660 single-nucleus transcriptomes from the prefrontal cortex of 48 individuals with varying degrees of Alzheimer's disease pathology. Across six major brain cell
Michael R Green et al.
Cold Spring Harbor protocols, 2017(5) (2017-05-04)
Measuring the concentration of DNA using fluorometry is more sensitive than spectrophotometry, allowing the detection of nanogram quantities of DNA. In this assay, DNA preparations of known and unknown concentrations are incubated with the fluorochrome Hoechst 33258. Absorption values for
Ismail Abdou et al.
Nucleic acids research, 43(2), 875-892 (2014-12-30)
In the current model of DNA SSBR, PARP1 is regarded as the sensor of single-strand breaks (SSBs). However, biochemical studies have implicated LIG3 as another possible SSB sensor. Using a laser micro-irradiation protocol that predominantly generates SSBs, we were able
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