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Merck
CN

81460

Ponceau S

Synonym(s):

3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt

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About This Item

Empirical Formula (Hill Notation):
C22H12N4Na4O13S4
CAS Number:
6226-79-5
Molecular Weight:
760.57
EC Number:
228-319-2
UNSPSC Code:
12171500
PubChem Substance ID:
57652864
Colour Index Number:
27195
MDL number:
MFCD00003892

Key Documents

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InChI key

KQHKSGRIBYJYFX-WNDMICSESA-J

InChI

1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;

SMILES string

[Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2ccc(cc2S([O-])(=O)=O)\N=N\c3ccc(cc3)S([O-])(=O)=O)c4ccc(cc4cc1S([O-])(=O)=O)S([O-])(=O)=O

suitability

suitable for microscopy

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Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCBK1960V
BCBG5639V
BCBG0186V
1442097
1319869

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PloS one, 3(6), e2427-e2427 (2008-06-19)
ISG15 is an Ubiquitin-like protein, highly induced by Type I Interferons. Upon the cooperative activity of specific Ubiquitinating enzymes, ISG15 can be conjugated to its substrates. Increasing evidence points to a role for protein ISGylation in anti-viral and anti-tumoral defense.
T G van Kooten et al.
Journal of biomedical materials research, 54(3), 385-389 (2001-02-24)
Research of cell-biomaterial interactions is building on knowledge and methods available in cell and molecular biology. Western blotting is one of the options to characterize protein expression in cell populations. Method transfer to biomaterial model systems is not trivial because
Hong-Wen Gao et al.
Biophysical journal, 94(3), 906-917 (2007-10-02)
Using various methods, e.g., spectrophotometry, circular dichroism, and isothermal titration calorimetry, the interaction of poncean S (PS) with human serum albumin (HSA) was characterized at pH 1.81, 3.56, and 7.40 using the spectral correction technique, and Langmuir and Temkin isothermal
John C Dreixler et al.
Experimental eye research, 88(3), 512-521 (2008-12-17)
Potent endogenous protection from ischemia can be induced in the retina by ischemic preconditioning (IPC). Protein kinase B/Akt is a cellular survival factor. We hypothesized that Akt was integral to IPC based upon differential effects of Akt subtypes. Rats were
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