Direct red 81 CAS: 2610-11-9
MF: C29H19N5O8S2•2Na
Direct red 81 is a highly conjugated organic dye.

Direct red 81 (CAS 2610-11-9)

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Alternate Names: DR 81; Disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate; Chlorantine Fast Red 5B
Application: Direct red 81 is a highly conjugated organic dye
CAS Number: 2610-11-9
Molecular Weight: 675.60
Molecular Formula: C29H19N5O8S22Na
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
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Direct red 81 is a highly conjugated organic dye that has been reported to stain proteins in SDS-PAGE gels. Other direct dyes offered include: Direct Red 23 (sc-214909), Direct Red 80 (sc-214910), Direct Yellow 27 (sc-214913), Direct yellow 50 (sc-214914), Direct Blue 15 (sc-214908), Direct Blue 71 (sc-218247) and Direct Violet 51 (sc-214912).


References

1. Achilonu, I. and Goldring, J.P. 2010. Anal. Biochem. 400: 139-141. PMID: 20060376

Appearance :
Powder
Physical State :
Solid
Solubility :
Soluble in water.
Storage :
Store at room temperature
Melting Point :
240° C (lit.)(dec.)
Refractive Index :
n20D ~1.72 (Predicted)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
3
RTECS :
QK1370000
PubChem CID :
MDL Number :
MFCD00003949
EC Number :
220-028-9
SMILES :
C1=CC=C(C=C1)C(=O)NC2=CC3=C(C=C2)C(=O)C(=NNC4=CC=C(C=C4)N=NC5=CC=C(C=C5)S(=O)(=O)[O-])C(=C3)S(=O)(=O)[O-].[Na+].[Na+]

Download SDS (MSDS)

Certificate of Analysis

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Direct red 81 (CAS 2610-11-9)  Product Citations

See how others have used Direct red 81 (CAS 2610-11-9). Click on the entry to view the PubMed entry .

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PMID: # 12895563  Crini, G. et al. 2003. Bioresour. Technol. 90: 193-198.

Citations 1 to 1 of 1 total
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