Merck
All Photos(2)

C4582

Sigma-Aldrich

β-Carotene

synthetic, ≥95% (HPLC), crystalline

Synonym(s):
β,β-Carotene, Provitamin A
Empirical Formula (Hill Notation):
C40H56
CAS Number:
Molecular Weight:
536.87
Beilstein:
1917416
Número de EC:
Número MDL:
ID de la sustancia en PubChem:
NACRES:
NA.77

Nivel de calidad

200

origen biológico

synthetic

ensayo

≥95% (HPLC)

formulario

crystalline

impurezas

α-carotene, essentially free

color

dark red-purple to red-brown

mp

178-179 °C

solubilidad

hexane: soluble 100 μg/mL
DMSO: 30 μg/mL
H2O: insoluble

ε (extinction coefficient)

2160-2280 at 478-479 nm in hexane at 1% (vs. 2280, lit.)
2450-2590 at 450-452 nm in hexane at 1% (vs. 2590, lit.)

temp. de almacenamiento

−20°C

SMILES string

CC1=C(/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C2=C(C)CCCC2(C)C)C(C)(C)CCC1

InChI

1S/C40H56/c1-31(19-13-21-33(3)25-27-37-35(5)23-15-29-39(37,7)8)17-11-12-18-32(2)20-14-22-34(4)26-28-38-36(6)24-16-30-40(38,9)10/h11-14,17-22,25-28H,15-16,23-24,29-30H2,1-10H3/b12-11+,19-13+,20-14+,27-25+,28-26+,31-17+,32-18+,33-21+,34-22+

InChI key

OENHQHLEOONYIE-JLTXGRSLSA-N

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Aplicación

β-Carotene has been used:
  • as standard for quantification of b-carotene using HPLC analysis
  • as a standard for the identification and quantification of authentic standards for carotenoid groups
  • for standard curve preparation in the measurement of β-carotene production
  • for standard curve preparation in nutritive assays

Envase

5, 10, 25 mg in ampule

Acciones bioquímicas o fisiológicas

β-Carotene (pro-vitamin A) is a member of carotenoids. This antioxidant plays a vital role in human physiology. β-Carotene is an abundant carotenoid. It is considered as a precursor of vitamin A, which is a lipid soluble antioxidant with vitamin E properties.
The most important of the provitamins A, β-carotene can be classified as an antioxidant due to its inhibition of radical initiated peroxidation in vitro. However, in vivo it appears to act either as an antioxidant or a prooxidant depending on cellular environment. It reduces the incidence of many cancers, but enhances lung cancer incidence in smokers.

Precaución

Purchase minimum quantity required. Discard one month after opening.

Código de clase de almacenamiento

11 - Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

217.9 °F - closed cup

Punto de inflamabilidad C

103.3 °C - closed cup

Equipo de protección personal

Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Articles

Retinoic Acid and Gene Expression

All-trans retinoic acid (RA, ATRA) is a pleiotropic activation factor that regulates genes associated with normal vertebrate cellular processes such as cell differentiation, cell proliferation, apoptosis, and embryonic development.

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

Protocols

HPLC Analysis of Carotene Compounds on Ascentis® RP-Amide

HPLC Analysis of Carotene Compounds on Ascentis® RP-Amide

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