(Pyr3)-Amyloid β-Protein (3-40) trifluoroacetate salt CAS 161818-04-8
Purity >95%In StockPharmaceutical Standards
| CAS No. | 161818-04-8 |
| Molecular Formula | C21H22O6 |
| Molecular Weight | 4125.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(Pyr3)-Amyloid β-Protein (3-40) trifluoroacetate salt (CAS 161818-04-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H22O6. Molecular weight: 4125.68 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C21H22O6 |
| Molecular Weight | 4125.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
Related Pyr Standards
- Amyloid β-Protein (1-40) (mouse, rat) (CAS 144409-98-3)
- (Pyr3)-Amyloid β-Protein (3-42) (CAS 183449-57-2)
- (Lys22)-Amyloid β-Protein (1-40) trifluoroacetate salt (CAS 302905-01-7)
- Amyloid β-Protein (1-42) (mouse, rat) (CAS 166090-74-0)
- Amyloid β-Protein (42-1) (CAS 317366-82-8)
- Amyloid β/A4 Protein Precursor770 (740-770) trifluoroacetate salt (CAS 1802086-24-3)
- Amyloid β-Protein (1-43) (CAS 134500-80-4)
- Amyloid β-Protein (1-42) (CAS 107761-42-2)
Recommended Standards
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
- Teriparatide-d10 TFA Salt (CAS CATO-C4X-21854)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
- 2-(1-Bromopropyl)thiazole (CAS 1352072-67-3)
- (2S,4R)-1-(tert-butoxycarbonyl)-4-(naphthalen-2-ylmethoxy)pyrrolidine-2-carboxylic acid (CAS 630425-40-0)
- Vonoprazan Impurity 297 (CAS CATO-C4X-1020297)
- Cefotaxime Impurity 44 (CAS 47288-83-5)
- 5-(Chloromethyl)-3-nitro-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole (CAS 2738982-26-6)
- N-(3,4-dichlorobenzyl)-N-(3-(isopropylamino)-1,4-dioxo-1,4-dihydronaphthalen-2-yl)acetamide (CAS 355406-74-5)
- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
Why CATO?
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