tert-butyl (2-methyl-5-oxocyclopentyl)carbamate
(2-甲基-5-氧代环戊基)-氨基甲酸叔丁酯
Also known as: (2-methyl-5-oxo-cyclopentyl)-carbamic acid tert-butyl ester, carbamic acid, (2-methyl-5-oxocyclopentyl)-, 1,1-dimethylethyl ester, tert-butyl N-(2-methyl-5-oxocyclopentyl)carbamate, carbamic acid, (2-methyl-5-oxocyclopentyl)-, 1,1-dimethylethyl ester, (1S-trans)- (9CI)
tert-butyl (2-methyl-5-oxocyclopentyl)carbamate (CAS 138871-73-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19NO3 and a molecular weight of 213.27300 g/mol. It is also known as (2-methyl-5-oxo-cyclopentyl)-carbamic acid tert-butyl ester, carbamic acid, (2-methyl-5-oxocyclopentyl)-, 1,1-dimethylethyl ester and tert-butyl N-(2-methyl-5-oxocyclopentyl)carbamate. Key properties include a boiling point of 325.9ºC at 760mmHg, a density of 1.05g/cm3 and a flash point of 150.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 138871-73-5
- Jingsj CID
- J-1331304-5
- Molecular Formula
- C11H19NO3
- Chinese Name
- (2-甲基-5-氧代环戊基)-氨基甲酸叔丁酯
- Molecular Weight
- 213.27300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 325.9ºC at 760mmHg |
|---|---|
| Density | 1.05g/cm3 |
| Flash Point | 150.9ºC |
Frequently Asked Questions
What is the CAS number of tert-butyl (2-methyl-5-oxocyclopentyl)carbamate?
The CAS number of tert-butyl (2-methyl-5-oxocyclopentyl)carbamate is 138871-73-5.
What are the molecular formula and molecular weight of tert-butyl (2-methyl-5-oxocyclopentyl)carbamate?
tert-butyl (2-methyl-5-oxocyclopentyl)carbamate has molecular formula C11H19NO3 and molecular weight 213.27300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-butyl (2-methyl-5-oxocyclopentyl)carbamate (CAS 138871-73-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1331304-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.