(3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone

Also known as: Boc-L-Phe chloromethyl ketone, (S)-tert-Butyl (4-chloro-3-oxo-1-phenylbutan-2-yl)carbamate, tert-Butyl [(2S)-4-chloro-3-oxo-1-phenylbutan-2-yl]carbamate, Carbamic acid, [(1S)-3-chloro-2-oxo-1-(phenylmethyl)propyl]-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl [(2S)-4-chloro-3-oxo-1-phenyl-2-butanyl]carbamate, N-Boc phenylalanyl chloride

(3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone (CAS 102123-74-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H20ClNO3 and a molecular weight of 297.777 g/mol. Key properties include a boiling point of 423.9±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 210.2±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 102123-74-0
Jingsj CID: J-1088787-9
Molecular Formula: C₁₅H₂₀ClNO₃
Molecular Weight: 297.777 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	423.9±40.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	210.2±27.3 °C
Exact Mass	297.113159
PSA	55.40000
LogP	3.66
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.517

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone?

The CAS number of (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone is 102123-74-0.

What are the molecular formula and molecular weight of (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone?

(3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone has molecular formula C15H20ClNO3 and molecular weight 297.777 g/mol.

What are the upstream and downstream products of (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone?

For (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone, Downstream Products: tert-butyl [(1S,2R)-1-benzyl-2-hydroxy-3-[isobutyl[(4-nitrophenyl)sulfonyl]amino]propyl]carbamate, (2R,3S)-3-(tert-Butoxycarbonyl)amino-1,2-epoxy-4-phenylbutane, tert-Butyl ((2S,3S)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone (CAS 102123-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088787-9 (accessed 2026-11-06).

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