o-Cresolphthalein Complexone - indicator, for complexometry, used for o-Cresolphthalein Complexone has been used in the estimation of calcium in serum samples based on the reaction of Ca2+ with o-cresolphthalein complexone in an alkaline solution. various

CAS: 2411-89-4 Cat. No.: C106935 Peso molecular: 636.6 Beilstein Registry Number: 381994 Número EC: 219-318-8
Disponible para pedir
GRADE & PURITY Indicator ? Indicator grade — characterized dye giving a defined color change at a known transition. Use to signal pH or titration endpoints visually. for complexometry
Synonyms
Diacetylmethane | o-Cresolphthalexon | DTXSID5062392 | Q907634 | FT-0634254 | 1-Butanol, 3-methyl- | Glycine,N,N'-[(3-oxo-1(3H)-isobenzofuranylidene)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)- | Phthalein purple | 3,N-di(carbox
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
5g
C106935-5g
3
15,90US$
25g
C106935-25g
2
49,90US$
100g
C106935-100g
1
159,90US$
500g
C106935-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
529,90US$
Enter a quantity for the sizes you want to add.
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Why this grade

indicator, for complexometry Indicator for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

o-Cresolphthalein Complexone is a pH indicator dye commonly used for the calorimetric determination of calcium in serum.

Specifications

Sinónimos
Diacetylmethane | o-Cresolphthalexon | DTXSID5062392 | Q907634 | FT-0634254 | 1-Butanol, 3-methyl- | Glycine, N, N'-[(3-oxo-1(3H)-isobenzofuranylidene)bis[(6-hydroxy-5-methyl-3, 1-phenylene)methylene]]bis[N-(carboxymethyl)- | Phthalein purple | 3, N-di(carbox
Especificaciones y pureza
indicator, for complexometry
Aplicación
o-Cresolphthalein Complexone has been used in the estimation of calcium in serum samples based on the reaction of Ca2+ with o-cresolphthalein complexone in an alkaline solution.
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Grado
Indicator
Nombres e identificadores
Pubchem Sid488185109
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185109
Sonrisas canónicasCC1=CC(=CC(=C1O)CN(CC(=O)O)CC(=O)O)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C(=C4)C)O)CN(CC(=O)O)CC(=O)O
IUPAC Name2-[[5-[1-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)amino]acetic acid
InChIKeyIYZPEGVSBUNMBE-UHFFFAOYSA-N
INCHI1S/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)
Isómeros SMILES CC1=CC(=CC(=C1O)CN(CC(=O)O)CC(=O)O)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C(=C4)C)O)CN(CC(=O)O)CC(=O)O
WGK Alemania 3
Peso molecular 636.6
Beilstein 381994
Reaxy-Rn 381994
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=381994&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClaseCarboxylic acids and derivatives
SubclassPentacarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentPentacarboxylic acids and derivatives
Alternative Parents Alpha amino acids  Phthalides  Benzofuranones  Phenylmethylamines  Ortho cresols  Benzylamines  Toluenes  Aralkylamines  Trialkylamines  Amino acids  Carboxylic acid esters  Lactones  Oxacyclic compounds  Carboxylic acids  Carbonyl compounds  Organic oxides  Hydrocarbon derivatives  Organopnictogen compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Pentacarboxylic acid or derivatives - Alpha-amino acid - Phthalide - Benzofuranone - Isobenzofuranone - Alpha-amino acid or derivatives - Isocoumaran - Benzylamine - O-cresol - Phenylmethylamine - Aralkylamine - Toluene - Phenol - Benzenoid - Monocyclic benzene moiety - Amino acid - Lactone - Carboxylic acid ester - Tertiary aliphatic amine - Tertiary amine - Amino acid or derivatives - Oxacycle - Organoheterocyclic compound - Carboxylic acid - Organic oxygen compound - Carbonyl group - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Amine - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound
DescripciónThis compound belongs to the class of organic compounds known as pentacarboxylic acids and derivatives. These are carboxylic acids containing exactly five carboxyl groups.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

18 results found

Lot NumberCertificate TypeFechaArticulo
E2608266Certificate of AnalysisApr 17, 2026 C106935
E2608271Certificate of AnalysisApr 17, 2026 C106935
E2608272Certificate of AnalysisApr 17, 2026 C106935
E2613561Certificate of AnalysisApr 17, 2026 C106935
D2620510Certificate of AnalysisMar 30, 2026 C106935
G2517014Certificate of AnalysisJul 19, 2025 C106935
C2630163Certificate of AnalysisJul 19, 2025 C106935
I2320218Certificate of AnalysisJun 11, 2025 C106935
I2320217Certificate of AnalysisJun 11, 2025 C106935
I2320216Certificate of AnalysisJun 11, 2025 C106935
I2305118Certificate of AnalysisJun 10, 2025 C106935
I2305167Certificate of AnalysisJun 10, 2025 C106935
I2305125Certificate of AnalysisJun 10, 2025 C106935
I2305119Certificate of AnalysisJun 10, 2025 C106935
I2305116Certificate of AnalysisJun 10, 2025 C106935
I2320246Certificate of AnalysisSep 04, 2023 C106935
I2305166Certificate of AnalysisAug 25, 2023 C106935
I2305117Certificate of AnalysisAug 25, 2023 C106935

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Propiedades químicas y físicas
Punto de fusión (°C)181°C
Peso molecular636.600 g/mol
XLogP3-2.000
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count14
Rotatable Bond Count14
Exact Mass636.196 Da
Monoisotopic Mass636.196 Da
Topological Polar Surface Area222.000 Ų
Heavy Atom Count46
Formal Charge0
Complexity1050.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Preguntas frecuentes y artículos
Citations of This Product
Referencias
1. Zhang Lu, Li Yingying, Wei Fang, Liu Hang, Wang Yushuai, Zhao Weiman, Dong Zhiyong, Ma Tao, Wang Qingqing.  (2020)  Transdermal Delivery of Salmon Calcitonin Using a Dissolving Microneedle Array: Characterization, Stability, and In vivo Pharmacodynamics.  AAPS PHARMSCITECH,  22  (1): (1-9).  [PMID:33215299] [10.1208/s12249-020-01865-z]
2. Lan Wang, Cai-Yun Wang, Ying Zhang, Hai-Juan Fu, Yan Gao, Ke-Rui Zhang.  (2019)  Preparation and characterization of solid lipid nanoparticles loaded with salmon calcitonin phospholipid complex.  JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY,      [PMID:] [10.1016/j.jddst.2019.05.045]
3. Mei-Ling Zhang, Xin-Huai Zhao.  (2014)  In Vitro Calcium-Chelating and Platelet Anti-Aggregation Activities of Soy Protein Hydrolysate Modified by the Alcalase-Catalyzed Plastein Reaction.  JOURNAL OF FOOD BIOCHEMISTRY,  38  (3): (374-380).  [PMID:] [10.1111/jfbc.12063]
4. Wang Zihu, Dong Yan, Sui Xiaoxiao, Shao Xingyan, Li Kangshuai, Zhang Hao, Xu Zhenyuan, Zhang Dongzhi.  (2024)  An artificial intelligence-assisted microfluidic colorimetric wearable sensor system for monitoring of key tear biomarkers.  npj Flexible Electronics,  (1): (1-11).  [PMID:] [10.1038/s41528-024-00321-3]
Calculadoras de soluciones
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