![Molecular structure of (S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid (CAS 1129634-44-1)](/images/chem_structures_svg/217/1129634-44-1.svg)
(S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid
Also known as: (6S)-5-[(tert-butoxy)carbonyl]-5-azaspiro[2.4]heptane-6-carboxylic acid, (S)-5-BOC-5-azaspiro[2.4]heptane-6-carboxylic acid, Ledipasvir side chain, Ledipasvir Impurity 6, N-Boc-4-cyclopropyl-L-proline, (6S)-5-{[(2-Methyl-2-propanyl)oxy]carbonyl}-5-azaspiro[2.4]heptane-6-carboxylic acid, (6S)-5-Azaspiro[2.4]heptane-6-carboxylic acid, N-BOC protected, 5-Azaspiro[2.4]heptane-5,6-dicarboxylic acid, 5-(1,1-dimethylethyl) ester, (6S)-
(S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid (CAS 1129634-44-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H19NO4 and a molecular weight of 241.284 g/mol. Key properties include a boiling point of 377.4±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 182.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1129634-44-1
- Jingsj CID
- J-1086641-8
- Molecular Formula
- C12H19NO4
- Molecular Weight
- 241.284 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 377.4±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 182.1±25.9 °C |
| Exact Mass | 241.131409 |
| PSA | 66.84000 |
| LogP | 0.94 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.536 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of (S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid?
The CAS number of (S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid is 1129634-44-1.
What are the molecular formula and molecular weight of (S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid?
(S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid has molecular formula C12H19NO4 and molecular weight 241.284 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid (CAS 1129634-44-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086641-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.