pTH (53-84) (human) CAS 89439-30-5
| CAS No. | 89439-30-5 |
| Molecular Formula | C149H253N43O54 |
| Molecular Weight | 3510.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies pTH (53-84) (human) (CAS 89439-30-5), a certified reference material (molecular formula C149H253N43O54, MW 3510.91 g/mol) for analytical method development and quality control.
The molecular framework of pTH (53-84) (human) (C149H253N43O54) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C149H253N43O54 |
| Molecular Weight | 3510.91 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 45.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 43 |
Related pTH Standards
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Recommended Standards
- Prepro-Atrial Natriuretic Factor (26-55) (human) (CAS 112160-82-4)
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- Prodynorphin (228-256), porcine (CAS 84376-30-7)
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- 1-(6,7,8,9-Tetrahydro-5H-cyclohepta[c]pyridazin-3-yl)pyrrolidine-3-carboxylic acid (CAS 1707734-90-4)
- 6-(1,3-Dioxan-5-yloxy)pyridine-2-carbonitrile (CAS 1287218-30-7)
- 4-Ethoxy-2-ethynylpyridine (CAS 1565481-60-8)
- (S)-tert-Butyl ((1-(2-chloroacetyl)pyrrolidin-2-yl)methyl)(methyl)carbamate (CAS 1354015-64-7)
- N-(Naphthalen-1-yl)-4-(trifluoromethyl)benzenesulfonamide (CAS 712271-18-6)
- Ethyl 1-benzyl-6-oxopiperidine-3-carboxylate (CAS 304859-21-0)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com