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tert-Butyl 3-methylpiperazine-1-carboxylate

Also known as: 1-Boc-3-methylpiperazine, 1-N-Boc-3-methylpiperazine, 4-Boc-2-methylpiperazine, 4-N-Boc-2-methylpiperazine, N-Boc-3-methylpiperazine, 3-methylpiperazine-1-carboxylic acid tert-butyl ester, 1-tert-Butoxycarbonyl-3-methylpiperazine

tert-Butyl 3-methylpiperazine-1-carboxylate (CAS 120737-59-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H20N2O2 and a molecular weight of 200.278 g/mol. Key properties include a boiling point of 268.7±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 116.3±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
120737-59-9
Jingsj CID
J-1120157-3
Molecular Formula
C10H20N2O2
Molecular Weight
200.278 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point268.7±15.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point116.3±20.4 °C
Exact Mass200.152481
PSA41.57000
LogP1.05
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.459

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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-methylpiperazine-1-carboxylate?

The CAS number of tert-Butyl 3-methylpiperazine-1-carboxylate is 120737-59-9.

What are the molecular formula and molecular weight of tert-Butyl 3-methylpiperazine-1-carboxylate?

tert-Butyl 3-methylpiperazine-1-carboxylate has molecular formula C10H20N2O2 and molecular weight 200.278 g/mol.

What are the upstream and downstream products of tert-Butyl 3-methylpiperazine-1-carboxylate?

For tert-Butyl 3-methylpiperazine-1-carboxylate, Upstream Products: Di-tert-butyl dicarbonate, 2-Methylpiperazine, 2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile; Downstream Products: 1,2-Dimethylpiperazine, Benzyl carbamate, tert-butyl 3,4-dimethylpiperazine-1-carboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tert-Butyl 3-methylpiperazine-1-carboxylate (CAS 120737-59-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1120157-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.