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51230

Sigma-Aldrich

Hematein

for microscopy (Hist.)

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About This Item

Empirical Formula (Hill Notation):
C16H12O6
CAS Number:
475-25-2
Molecular Weight:
300.26
Colour Index Number:
75290
Beilstein/REAXYS Number:
93039
EC Number:
207-492-8
MDL number:
MFCD00036187
UNSPSC Code:
12171500
PubChem Substance ID:
57651315
NACRES:
NA.47

grade

for microscopy (Hist.)

Quality Level

100

form

powder

concentration

≥40% (UV)

mp

140 °C

λmax

425-435 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc2c(OCC3(O)CC4=CC(=O)C(O)=CC4=C23)c1O

InChI

1S/C16H12O6/c17-10-2-1-8-13-9-4-12(19)11(18)3-7(9)5-16(13,21)6-22-15(8)14(10)20/h1-4,17,19-21H,5-6H2

InChI key

HLUCICHZHWJHLL-UHFFFAOYSA-N

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Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Hemin from bovine, ≥90%

Sigma-Aldrich

H9039

Hemin

Effect of formalin pigment removal on peroxidase-antiperoxidase immunoperoxidase technique.
J McGovern et al.
Journal of clinical pathology, 39(8), 923-925 (1986-08-01)
Alison N Hulme et al.
Phytochemistry, 66(23), 2766-2770 (2005-10-26)
The electrospray ionisation mass spectra of the neoflavanoids brazilin and hematoxylin are reported in both their reduced (1 and 2, respectively) and their oxidised forms (3 and 4, respectively). In the reduced forms, breakdown pathways under collision induced decomposition (CID)
G T Oh et al.
Atherosclerosis, 159(1), 17-26 (2001-11-02)
Hematein is a compound isolated from Caesalpinia sappan that has been used in oriental medicine as both an analgesic and an anti-inflammatory agent. In this study, we examined the anti-atherogenic potential of hematein using cholesterol-fed New Zealand White (NZW) rabbits.
C Bettinger et al.
Histochemistry, 95(3), 279-288 (1991-01-01)
Analytically pure hematoxylin (Htx), pentaacetylhematoxylin (PAHtx), and hematein (Hm) were isolated and characterized by 1H-NMR spectroscopy. The VIS/UV spectra of Htx and Hm were recorded in MeOH and in H2O at various pH values. The molar extinction coefficients of the
H Puchtler et al.
Histochemistry, 85(5), 353-364 (1986-01-01)
Current chemical concepts were applied to Weigert's, M. Heidenhain's and Verhoeff's iron hemateins, Mayer's acid hemalum stain and the corresponding brazilein compounds. Fe bonds tightly to oxygen in preference to nitrogen and is unlikely to react with lysyl and arginyl
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