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P9875

Sigma-Aldrich

Phenolphthalein bisphosphate tetrasodium salt

~95%

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Synonym(s):
Phenolphthalein diphosphate tetrasodium salt
Linear Formula:
C20H12O10P2Na4
CAS Number:
68807-90-9
Molecular Weight:
566.21
MDL number:
MFCD00005907
PubChem Substance ID:
329820357
NACRES:
NA.47

Assay

~95%

Quality Level

200

form

powder

impurities

Phenolphthalein, none detected
5-10% solvent (actual content on label)

solubility

water: 50 mg/mL, clear, colorless to faint yellow or tan

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

−20°C

SMILES string

[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)Oc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(OP([O-])([O-])=O)cc4

InChI

1S/C20H16O10P2.4Na/c21-19-17-3-1-2-4-18(17)20(28-19,13-5-9-15(10-6-13)29-31(22,23)24)14-7-11-16(12-8-14)30-32(25,26)27;;;;/h1-12H,(H2,22,23,24)(H2,25,26,27);;;;/q;4*+1/p-4

InChI key

HTMKLCRJVFFVDW-UHFFFAOYSA-J

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Application

Phenolphthalein bisphosphate tetrasodium salt has been used as a component of modified Baird Parker (BP) agar to determine the expression of phosphatases of Staphylococcus aureus ATCC12600. It has also been used as a component of modified Tryptose phosphate/phenolphthalein/methyl green (M-TPMG) agar to detect enteroinvasive Escherichia coli (EIEC) apyrase activity.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Ala160 and His116 residues are involved in activity and specificity of apyrase, an ATP-hydrolysing enzyme produced by enteroinvasive Escherichia coli
Serena Sarli
Microbiology (2005)
Phosphorylation controls the functioning of Staphylococcus aureus isocitrate dehydrogenase ? favours biofilm formation
U. Venkateswara Prasad
Journal of Enzyme Inhibition, 655-661 (2015)
U Venkateswara Prasad et al.
Journal of enzyme inhibition and medicinal chemistry, 30(4), 655-661 (2015-03-07)
Isocitrate dehydrogenase (IDH) gene from Staphylococcus aureus ATCC12600 was cloned, sequenced and characterized (HM067707). PknB site was observed in the active site of IDH; thus, it was predicted as IDH may be regulated by phosphorylation. Therefore, in this study, PknB

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