B4501
Biotina
≥99% (HPLC), lyophilized powder
Sinónimos:
D-Biotina, Bios II, Coenzima R, Vitamina H, Vitaminas B7
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Fórmula empírica (notación de Hill):
C10H16N2O3S
Número CAS:
Peso molecular:
244.31
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
34058011
UNSPSC Code:
12352201
EC Number:
200-399-3
MDL number:
Beilstein/REAXYS Number:
86838
Servicio técnico
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Permítanos ayudarlebiological source
synthetic (organic)
Quality Level
assay
≥99% (HPLC)
form
lyophilized powder
technique(s)
HPLC: suitable
color
white to off-white
mp
231-233 °C (lit.)
solubility
ammonium hydroxide: 50 mg/mL (2 M)
storage temp.
2-8°C
SMILES string
[H][C@]12CS[C@@H](CCCCC(O)=O)[C@@]1([H])NC(=O)N2
InChI
1S/C10H16N2O3S/c13-8(14)4-2-1-3-7-9-6(5-16-7)11-10(15)12-9/h6-7,9H,1-5H2,(H,13,14)(H2,11,12,15)/t6-,7-,9-/m0/s1
InChI key
YBJHBAHKTGYVGT-ZKWXMUAHSA-N
General description
Biotin is a water-soluble vitamin. Mammals depend on biotin via plant and microbial dietary sources. Biotin consists of two rings that are attached to valeric acid moiety as a side chain. One of the rings is attached to ureido group and the other ring is the tetrahydrothiophene group.
Application
Biotin may be used to elute proteins from avidin/streptavidin resins. Biotin has been used:
- for culturing of oligodendrocytes.
- as a vitamin supplement for the growth of Bacillus species.
- for blocking endogenous biotin during immunohistology procedures.
Biochem/physiol Actions
Biotin is a small molecule and its presence with biologically active macromolecules does not affect the biological function of the macromolecule. The biotin-(strept)avidin system are is required for various applications. Biotin also works as a cofactor/coenzyme of carboxylating enzymes, such as pyruvate carboxylase, acetyl-CoA carboxylases 1 and 2, 3-methylcrotonyl-CoA carboxylase (MCC), and propionyl-CoA carboxylase (PCC). It catalyzes the formation of oxaloacetate from pyruvate and CO2. Biotin conjugation with avidin or streptavidin helps in linking the target molecule (antibody, nucleotide, protein A, etc.) with the labeling system (enzyme, fluorescent, chemiluminescent probes). This complex is used for many detection systems, such as immunoassays, DNA hybridization assays, immunohistochemistry, and flow cytometry. This approach is also applied for to the purification and characterization of various molecules of interest. Biotin is involved in the epigenetic regulation of genes, cell signaling, and the structure of chromatin.
Other Notes
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Clase de almacenamiento
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Contenido relacionado
The biotin-(strept)avidin system: principles and applications in biotechnology.
Diamandis EP and Christopoulos TK
Clinical Chemistry, 37, 625-625 (1991)
Isolation and culture of rat and mouse oligodendrocyte precursor cells.
Chen Y et al.
Nature Protocols, 2, 1044-1044 (2007)
Lone Frydelund-Larsen et al.
Experimental physiology, 92(1), 233-240 (2006-10-13)
Exercise induces a marked increase in interleukin-8 (IL-8) mRNA and protein expression within skeletal muscle fibres. Interleukin-8 belongs to a subfamily of CXC chemokines containing a Glu-Leu-Arg (ELR) motif. CXC chemokines with ELR motifs are potent angiogenic factors in vivo