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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:
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 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

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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M T Panayotacopoulou et al.
Journal of neurocytology, 18(5), 593-597 (1989-10-01)
Protein bodies in catecholamine neurons of the normal human brain contain arginine-rich proteins similar to those present in the core of Lewy bodies in Parkinsonian brains. Lewy bodies are known also to contain phospholipids in their core, demonstrable with Baker's
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
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
Bi Chen et al.
Analytica chimica acta, 674(1), 89-95 (2010-07-20)
An amperometric penicillin biosensor with enhanced sensitivity was successfully developed by co-immobilization of multi-walled carbon nanotubes (MWCNTs), hematein, and beta-lactamase on glassy carbon electrode using a layer-by-layer assembly technique. Under catalysis of the immobilized enzyme, penicillin was hydrolyzed, decreasing the
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)
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