o-Cresolphthalein Complexone

Code: SP5631-1G

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Chemical Identifiers
Empirical Formula (Hill Notation): C32H32N2O12
CAS Number: 2411-89-4
Molecular Weight: 636.60
EC Number: 219-318-8
MDL Number: MFCD00005911
Beilstein/REAXYS Number: 381994
PubChem Substance ID: 24898682
UNSPSC Code: 12171500
NACRES: NA.47
SMILES: Cc1cc(cc(CN(CC(O)=O)CC(O)=O)c1O)C2(OC(=O)c3ccccc23)c4cc(C)c(O)c(CN(CC(O)=O)CC(O)=O)c4
InChI: 1S/C32H32N2O12/c1-17-7-21(9-19(29(17)43)11-33(13-25(35)36)14-26(37)38)32(24-6-4-3-5-23(24)31(45)46-32)22-8-18(2)30(44)20(10-22)12-34(15-27(39)40)16-28(41)42/h3-10,43-44H,11-16H2,1-2H3,(H,35,36)(H,37,38)(H,39,40)(H,41,42)
InChI Key: IYZPEGVSBUNMBE-UHFFFAOYSA-N

Description
General Description: o-Cresolphthalein Complexone is a pH indicator dye commonly used for the colorimetric determination of calcium in serum.
Application: Used in the estimation of calcium in serum samples, based on the reaction of Ca2+ with o-cresolphthalein complexone in an alkaline solution.

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