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95209

Sigma-Aldrich

L-Ascorbic acid

BioUltra, ≥99.5% (RT)

Synonym(s):
L-Threoascorbic acid, Antiscorbutic factor, Vitamin C
Empirical Formula (Hill Notation):
C6H8O6
CAS Number:
Molecular Weight:
176.12
Beilstein:
84272
Numer EC:
Numer MDL:
Identyfikator substancji w PubChem:
NACRES:
NA.79

pochodzenie biologiczne

synthetic

Poziom jakości

200

linia produktu

BioUltra

próba

≥99.5% (RT)

forma

powder or crystals

zanieczyszczenia

insoluble matter, passes filter test

pozostałość po prażeniu

≤0.05% (as SO4)

strata

≤0.05% loss on drying, 20 °C (HV)

kolor

colorless

pH

1.0-2.5 (25 °C, 1 M in H2O)

mp

190-194 °C (dec.)

rozpuszczalność

H2O: 1 M at 20 °C, clear, colorless

ślady anionów

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤20 mg/kg

ślady kationów

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

absorpcja

cut-off at 306 nm in H2O at 1 M

SMILES string

OC([C@]([C@@H](O)CO)([H])O1)=C(O)C1=O

InChI

1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2/t2-,5+/m0/s1

InChI key

CIWBSHSKHKDKBQ-JLAZNSOCSA-N

Gene Information

human ... SLC23A2(9962)

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Opis ogólny

L-Ascorbic acid, also known as vitamin C, is a water-soluble vitamin. It is naturally present in a variety of foods such as citrus fruits and vegetables. It is present only in minimal amount in milk.

Zastosowanie

L-Ascorbic acid has been used as an antioxidant supplement in incubation solution for dissected and sliced brain sections. It has also been used as a supplement in phosphate-buffered saline (PBS) wash buffer during oxidative GFP chromophore formation.

Działania biochem./fizjol.

L-Ascorbic acid (Vitamin C) acts as a potential anti-oxidant and reducing agent. It prevents bacterial mutagenesis induced by N-nitroso compounds. In plants, vitamin C elicits several cellular processes such as growth, apoptosis, pathogen responses, hormone responses, flowering and senescence, and protection against environmental stresses. Vitamin C deficiency is associated with the development of scurvy, prominent - gingivitis, perifollicular hemorrhages, poor wound healing, petechiae and ecchymosis.

Inne uwagi

Denaturation of proteins; Dimeric association of E. coli RNA polymerase α subunits, studied by cleavage of single cysteine α subunits conjugated to Fe-BABE.

Kod klasy składowania

13 - Non Combustible Solids

WGK

WGK 3

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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