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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

Product Name

Orcein, synthetic, certified by the BSC

biological source

synthetic

Quality Level

agency

certified by the BSC

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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
Sharma AK and Sharma A
Chromosome Techniques: Theory and Practice (2014)
[Orcein and elastic fibers].
Juan Antonio Barcat
Medicina, 63(5), 453-456 (2003-11-25)
A Fachinelli et al.
Hernia : the journal of hernias and abdominal wall surgery, 15(4), 409-415 (2011-03-15)
The aim of this study was to substantiate the hypothesis as to whether an altered amount of elastic fibers in the linea alba aponeurosis occurs or not in anterior abdominal wall hernias (epigastric, incisional and umbilical), comparing the findings with
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

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