tert-butyl 3-oxopiperazine-1-carboxylate
3-氧代-1-哌嗪羧酸叔丁酯
Also known as: 1-Boc-3-oxopiperazine, 4-N-Boc-2-oxo-piperazine, 3-oxopiperazine-1-carboxylic acid tert-butyl ester, Boc-Piperazinone, MFCD02181069, 2-methyl-2-propanyl 3-oxo-1-piperazinecarboxylate, 1-(tert-butoxycarbonyl)piperazin-3-one
tert-butyl 3-oxopiperazine-1-carboxylate (CAS 76003-29-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H16N2O3 and a molecular weight of 200.23 g/mol. It is also known as 1-Boc-3-oxopiperazine, 4-N-Boc-2-oxo-piperazine and 3-oxopiperazine-1-carboxylic acid tert-butyl ester. Key properties include a melting point of 156-160 °C(lit.), a boiling point of 359.1±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.0±25.9 °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.
- 76003-29-7
- Jingsj CID
- J-44311-3
- Molecular Formula
- C9H16N2O3
- Chinese Name
- 3-氧代-1-哌嗪羧酸叔丁酯
- Molecular Weight
- 200.23 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156-160 °C(lit.) |
|---|---|
| Boiling Point | 359.1±35.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 171.0±25.9 °C |
| Exact Mass | 200.116089 |
| PSA | 58.64000 |
| LogP | -1.06 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.480 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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 tert-butyl 3-oxopiperazine-1-carboxylate?
The CAS number of tert-butyl 3-oxopiperazine-1-carboxylate is 76003-29-7.
What are the molecular formula and molecular weight of tert-butyl 3-oxopiperazine-1-carboxylate?
tert-butyl 3-oxopiperazine-1-carboxylate has molecular formula C9H16N2O3 and molecular weight 200.23 g/mol.
Is tert-butyl 3-oxopiperazine-1-carboxylate hazardous?
tert-butyl 3-oxopiperazine-1-carboxylate 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 tert-butyl 3-oxopiperazine-1-carboxylate?
For tert-butyl 3-oxopiperazine-1-carboxylate, Upstream Products: Piperazin-2-one, Di-tert-butyl dicarbonate, ethyl chloroacetate; Downstream Products: tert-Butyl 4-methyl-3-oxopiperazine-1-carboxylate, tert-Butyl 5,6-dihydroimidazo[1,2-a]pyrazine-7(8H)-carboxylate, 1-ethyl-4-(tert-butyloxycarbonyl)piperazin-2-one.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-butyl 3-oxopiperazine-1-carboxylate (CAS 76003-29-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44311-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.