Boc-L-pyroglutamic acid
Also known as: N-(tert-Butoxycarbonyl)-L-pyroglutamic acid, (S)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic acid, (S)-1-Boc-5-oxopyrrolidine-2-carboxylic acid, N-Boc-L-glutamic acid lactam, 1-(tert-Butoxycarbonyl)-5-oxo-L-proline, 1-(tert-butyl) hydrogen (S)-5-oxopyrrolidine-1,2-dicarboxylate, (S)-Boc-5-oxopyrrolidine-2-carboxylic acid, Boc-Pyr-OH
Boc-L-pyroglutamic acid (CAS 53100-44-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H15NO5 and a molecular weight of 229.23 g/mol. Key properties include a melting point of 65-67ºC, a boiling point of 425.8±38.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 211.3±26.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 53100-44-0
- Jingsj CID
- J-1970620-8
- Molecular Formula
- C10H15NO5
- Molecular Weight
- 229.23 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 65-67ºC |
|---|---|
| Boiling Point | 425.8±38.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 211.3±26.8 °C |
| Exact Mass | 229.095016 |
| PSA | 83.91000 |
| LogP | -0.90 |
| Vapor Pressure | 0.0±2.2 mmHg at 25°C |
| Refractive Index | 1.516 |
| Storage Conditions | Store at RT. |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Boc-L-pyroglutamic acid?
The CAS number of Boc-L-pyroglutamic acid is 53100-44-0.
What are the molecular formula and molecular weight of Boc-L-pyroglutamic acid?
Boc-L-pyroglutamic acid has molecular formula C10H15NO5 and molecular weight 229.23 g/mol.
Is Boc-L-pyroglutamic acid hazardous?
Boc-L-pyroglutamic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Boc-L-pyroglutamic acid?
For Boc-L-pyroglutamic acid, Upstream Products: Boc-L-Pyroglutamic acid benzyl ester, Di-tert-butyl dicarbonate, tert-Butyl (2S)-2-(hydroxymethyl)-5-oxopyrrolidine-1-carboxylate; Downstream Products: Di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate, L-Pyroglutamic acid, Protirelin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Boc-L-pyroglutamic acid (CAS 53100-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970620-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.