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Safety Information

388513

Sigma-Aldrich

5,8-Dihydroxy-1,4-naphthoquinone

technical grade

Synonym(s):

Naphthazarin

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About This Item

Empirical Formula (Hill Notation):
C10H6O4
CAS Number:
475-38-7
Molecular Weight:
190.15
Beilstein:
880561
EC Number:
207-495-4
MDL number:
MFCD00001685
UNSPSC Code:
12352103
PubChem Substance ID:
24864236
NACRES:
NA.23

grade

technical grade

Quality Level

100

mp

220-230 °C (lit.)

SMILES string

Oc1ccc(O)c2C(=O)C=CC(=O)c12

InChI

1S/C10H6O4/c11-5-1-2-6(12)10-8(14)4-3-7(13)9(5)10/h1-4,11-12H

InChI key

RQNVIKXOOKXAJQ-UHFFFAOYSA-N

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Related Categories

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

388513-BULK:
388513-250MG:
388513-VAR:
388513-1G:

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Certificates of Analysis (COA)

Lot/Batch Number
STBK0758
STBJ5440
STBH9288
STBH4484
STBD6165V

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Shikonin ≥98% (HPLC)

Sigma-Aldrich

S7576

Shikonin

BUTYL GALLATE AldrichCPR

S764868

BUTYL GALLATE

2,3-Dibromo-1,4-naphthoquinone 97%

Sigma-Aldrich

523429

2,3-Dibromo-1,4-naphthoquinone

Régis Millet et al.
Journal of medicinal chemistry, 48(22), 7024-7039 (2005-10-28)
The human selenoprotein thioredoxin reductase is involved in antioxidant defense and DNA synthesis. As increased thioredoxin reductase levels are associated with drug sensitivity to cisplatin and drug resistance in tumor cells, this enzyme represents a promising target for the development
Vishnu K Tandon et al.
Bioorganic & medicinal chemistry letters, 15(13), 3288-3291 (2005-05-26)
A series of (1,4)-naphthoquinono [3,2-c]-1H-pyrazoles and their (1,4)-naphthohydroquinone derivatives 2-7 were synthesized and evaluated for antifungal, antibacterial, and anticancer activities. The structure-activity relationship of these compounds was studied and the results show that the compound 2b exhibited in vitro antifungal
Brígida R Pinho et al.
PloS one, 6(8), e24098-e24098 (2011-09-03)
The search of new anti-inflammatory drugs has been a current preoccupation, due to the need of effective drugs, with less adverse reactions than those used nowadays. Several naphthoquinones (plumbagin, naphthazarin, juglone, menadione, diosquinone and 1,4-naphthoquinone), plus p-hydroquinone and p-benzoquinone were
Jaw-Jou Kang et al.
Toxicology in vitro : an international journal published in association with BIBRA, 20(1), 43-51 (2005-07-16)
The effects of the naphthoquinone analogue, naphthazarin (Nap), and its derivative, methylnaphthazarin (MetNap), on vascular reactivity were studied using isolated rat aortic rings and human umbilical vein endothelial cells (HUVECs). In this study, we determined vessel tension, nitric oxide (NO)
Dong-Hee Choi et al.
Free radical biology & medicine, 33(10), 1321-1333 (2002-11-07)
Oxidative stress and mitochondrial dysfunction are important aspects of pathogenesis, particularly in the brain, which is highly dependent on oxygen, and the protection of astrocytes is essential for neuroprotection. In this context, imidazoline drugs have been reported to be neuroprotective.
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Global Trade Item Number

SKUGTIN
388513-1G4061831969399
388513-250MG

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