CAS 1400-62-0

Orcein

Description:

Orcein is a natural dye derived from lichen, specifically from the species Roccella tinctoria. It is primarily used in histology and microscopy as a staining agent due to its ability to bind to certain cellular components, particularly nucleic acids. Orcein exhibits a reddish-brown color and is soluble in alcohol and water, making it suitable for various staining protocols. The compound is notable for its ability to produce different shades depending on the pH of the solution, which can be advantageous in differentiating cellular structures. Chemically, orcein is a complex mixture of several related compounds, including orcinol and other derivatives, contributing to its staining properties. It is also recognized for its potential applications in textiles and as a natural dye in various industries. Safety data indicates that orcein should be handled with care, as it may cause irritation upon contact with skin or eyes. Overall, orcein is valued for its historical significance and practical applications in biological research and dyeing processes.

Formula: Unspecified

InChI: InChI=1/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

SMILES: Cc1cc(cc(c1NC1=C(C)c2c(=CC1=O)oc1=CC(=O)C(=C(C)c21)Nc1c(C)cc(cc1O)O)O)O

Synonyms:

• 2,8-Bis[(2,4-Dihydroxy-6-Methylphenyl)Amino]-1,9-Dimethyldibenzo[B,D]Furan-3,7-Dione
• 758600
• Archil
• Cudbear
• French Purple
• Lacmus
• Litmus
• Natural Red 28
• Orcein Synthetic
• Orcein staining
• Orceinforanalysis
• Orchil
• Red Indigo
• Orcein

Orcein, for analysis

CAS: 1400-62-0

Orcein, for analysis; Red dye used in microscopy as a mordant for the staining of flagella, as well as for detecting elastic tissue in sputum.

Formula: C₂₈H₂₄N₂O₇

Color and Shape: Black to Brown, Crystals or Crystalline powder

Molecular weight: 500.51

Ref: 02-B20294

Orcein (Synthetic)

CAS: 1400-62-0

Formula: C₂₈H₂₄N₂O₇

Purity: 97%

Color and Shape: Solid

Molecular weight: 500.4994

Ref: IN-DA001BY4

Orcein

CAS: 1400-62-0

Color and Shape: Dark red to brown crystalline powder

Molecular weight: -

Ref: 7W-GT0012

Orcein

CAS: 1400-62-0

Orcein

Purity: BS

Ref: 54-OR1014556

Orcein

CAS: 1400-62-0

Orcein is a collagen immunostain.

Formula: C₂₈H₂₄N₂O₇

Purity: 98%

Color and Shape: Solid

Molecular weight: 500.507

Ref: TM-T19835

Orcein

CAS: 1400-62-0

Purity: 97%

Molecular weight: 0.0

Ref: 10-F554587

Orcein

CAS: 1400-62-0

Weakly acidic orange-red fluorochrome used for the staining of elastic tissues

Formula: C₂₈H₂₄N₂O₇

Color and Shape: Powder

Molecular weight: 500.5 g/mol

Ref: 3D-FO16173

Orcein

CAS: 1400-62-0

Formula: C₂₈H₂₄N₂O₇

Color and Shape: Reddish-violet, Powder

Molecular weight: 500.50

Ref: SR-30774