Fmoc-Cys(Me)-OH
N-芴甲氧羰基-S-甲基-L-半胱氨酸
Also known as: Fmoc-S-methyl-L-cysteine, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-S-methyl-L-cysteine, N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-S-METHYL-L-CYSTEINE, Fmoc-L-Cys(Me)-OH, Fmoc-Cys(Me), L-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-methyl-, (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methylsulfanylpropanoic acid
Fmoc-Cys(Me)-OH (CAS 138021-87-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H19NO4S and a molecular weight of 357.423 g/mol. It is also known as Fmoc-S-methyl-L-cysteine, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-S-methyl-L-cysteine and N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-S-METHYL-L-CYSTEINE. Key properties include a boiling point of 594.5±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 313.4±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 138021-87-1
- Jingsj CID
- J-1957967-4
- Molecular Formula
- C19H19NO4S
- Chinese Name
- N-芴甲氧羰基-S-甲基-L-半胱氨酸
- Molecular Weight
- 357.423 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 594.5±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 313.4±30.1 °C |
Frequently Asked Questions
What is the CAS number of Fmoc-Cys(Me)-OH?
The CAS number of Fmoc-Cys(Me)-OH is 138021-87-1.
What are the molecular formula and molecular weight of Fmoc-Cys(Me)-OH?
Fmoc-Cys(Me)-OH has molecular formula C19H19NO4S and molecular weight 357.423 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Fmoc-Cys(Me)-OH (CAS 138021-87-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957967-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.