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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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5 G
$172.00
25 G
$556.00

$172.00

Estimated to ship onMay 24, 2025

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5 G
$172.00
25 G
$556.00

About This Item

CAS Number:
1400-62-0
EC Number:
215-750-6
MDL number:
MFCD00062310
UNSPSC Code:
12171500
NACRES:
NA.47

$172.00

Estimated to ship onMay 24, 2025

Request a Bulk Order

Product Name

Orcein, synthetic, certified by the BSC, certified by the Biological Stain Commission

biological source

synthetic

grade

certified by the Biological Stain Commission

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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Related Categories

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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Certificates of Analysis (COA)

Lot/Batch Number
SHBS3498
SHBR3683
SHBQ8527
SHBP6893
SHBN9685

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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
C Clementi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 71(5), 2057-2062 (2008-11-14)
In this paper, three Renaissance tapestries depicting scenes painted by Raffaello Sanzio, conserved at the Vatican Museum, were investigated using in-situ UV-Visible fluorimetric measurements. The results show that this technique is suitable for the detection of natural organic colorants used
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