Tau Peptide (294-305) (human) trifluoroacetate salt CAS 1428135-29-8
| CAS No. | 1428135-29-8 |
| Molecular Formula | C51H85N17O17 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, Tau Peptide (294-305) (human) trifluoroacetate salt is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 1322.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8), a certified reference material (molecular formula C51H85N17O17C2HF3O2, MW 1322.37 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C51H85N17O17 C2HF3O2 |
| Molecular Weight | 1322.37 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 17 |
Related Tau Standards
- Tau Peptide (306-317) trifluoroacetate salt (CAS 1003007-59-7)
- Peptide Impurity 82 (CAS 10491-78-8)
- Peptide T (CAS 106362-32-7)
- Peptide WE-14 (CAS 115136-18-0)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
- Peptide Impurity 15 (CAS 1227750-69-7)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
- Tau Peptide (379-408) trifluoroacetate salt (CAS 1246357-53-8)
Recommended Standards
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- 2,6-Dimethoxypyrimidine-4-carboxylic acid methyl ester (CAS 55878-45-0)
- (2-Isobutylpyrimidin-5-yl)boronic acid (CAS 2225154-43-6)
- Methyl (R)-2-(adamantan-1-yl)-2-aminoacetate (CAS 102572-74-7)
- tert-Butyl 1-oxo-2,6,9-triazaspiro[4.5]decane-9-carboxylate (CAS 2181799-75-5)
- 1,1,1-Trifluoro-3-(4-fluorophenyl)propan-2-amine (CAS 1737-29-7)
- Ethyl 2-amino-2-methyl-4-(5-methyl-1h-pyrazol-1-yl)butanoate (CAS 1340145-90-5)
- Insulin degludec (CAS 844439-96-9)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com