pTH (1-31) (human) CAS 157938-23-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 157938-23-3 |
| Molecular Formula | C162H269N49O47S2 |
| Molecular Weight | 3719.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
pTH (1-31) (human) (CAS 157938-23-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C162H269N49O47S2. Molecular weight: 3719.35 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C162H269N49O47S2 |
| Molecular Weight | 3719.35 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) | 53.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 49 |
| Sulfur Atoms | 2 |
Related pTH Standards
- GLP-2 (1-33) (human) (H-7742.1000) (CAS 223460-79-5)
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- pTH (53-84) (human) (CAS 89439-30-5)
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- VIP (3-28) (human, mouse, rat) (H-6556.0005) (CAS 115444-33-2)
- VIP (4-28) (human, mouse, rat) (H-6558.0005) (CAS 64326-02-9)
Recommended Standards
- pTH (1-31) amide (human) (CAS 173833-08-4)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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