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Key Documents

O7505

Sigma-Aldrich

Orcein

certified by the Biological Stain Commission, powder

Synonym(s):

Natural Red 28

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12171500
NACRES:
NA.47
Pricing and availability is not currently available.

Product Name

Orcein, synthetic, certified by the Biological Stain Commission

biological source

synthetic

Quality Level

grade

certified by the Biological Stain Commission

form

powder

technique(s)

microbe id | staining: suitable

solubility

1 M NaOH: 1 mg/mL

εmax

≥250% at 574-582 nm in NaOH at 0.01 M

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

N(c5c(cc(cc5C)O)O)C1=C(c2[c]([o][c]3c2C(=C(C(=O)C=3)Nc4c(cc(cc4C)O)O)C)=CC1=O)C

InChI

1S/C28H24N2O7/c1-11-5-15(31)7-17(33)25(11)29-27-13(3)23-21(9-19(27)35)37-22-10-20(36)28(14(4)24(22)23)30-26-12(2)6-16(32)8-18(26)34/h5-10,29-34H,1-4H3

InChI key

VPEASJIRGSVXBF-UHFFFAOYSA-N

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Suitability

Certified for use in Darrow′s elastic fiber stain; Orcein method for hepatitis B surface antigen.

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

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Kamelija Zarkovic et al.
Redox biology, 4, 109-117 (2015-01-02)
Vascular aging is associated with structural and functional modifications of the arteries, and by an increase in arterial wall thickening in the intima and the media, mainly resulting from structural modifications of the extracellular matrix (ECM) components. Among the factors
C Clementi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 64(4), 906-912 (2005-12-08)
In this paper the potentialities of spectrophotometric and fluorimetric techniques for identifying the materials used in artistic textiles are investigated. A portable non-destructive instrument suitable to record fluorescence spectra on surfaces was set up and successfully experienced. A naturally occurring
Kei Sakamoto et al.
Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology, 41(8), 637-641 (2012-04-11)
A Rushton's hyaline body (HB) is a concretion occasionally found in odontogenic cysts. Unspecified substances produced by the lining epithelium or derived from blood components have been suggested as possible causes of HB formation, but the origin of HBs is
Juan Du et al.
Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences, 38(3), 318-320 (2006-06-17)
To compare the advantages and disadvantages of three staining methods of HBV. Normal Liver tissue and HBV-infected, HCV-infected, or dually infected (HBV and HCV) liver tissues were selected for this study. Formalin-fixed, paraffin-embedded sections (4 microm) were prepared. Each of
[Orcein and elastic fibers].
Juan Antonio Barcat
Medicina, 63(5), 453-456 (2003-11-25)

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