Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate

Also known as: (S)-2-Cbz-amino-butane-1,4-diol, (S)-2-Cbz-aminobutane-1,4-diol, (S)-Benzyl 1,4-dihydroxybutan-2-ylcarbamate, Benzyl [(2S)-1,4-dihydroxybutan-2-yl]carbamate, (S)-(-)-2-(Cbz-amino)-1,4-butanediol, (S)-(3-Hydroxy-1-hydroxymethylpropyl)carbamic acid benzyl ester, Carbamic acid, N-[(1S)-3-hydroxy-1-(hydroxymethyl)propyl]-, phenylmethyl ester, Carbamic acid, [(1S)-3-hydroxy-1-(hydroxymethyl)propyl]-, phenylmethyl ester (9CI)

Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate (CAS 118219-23-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H17NO4 and a molecular weight of 239.268 g/mol. Key properties include a boiling point of 461.0±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 232.6±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 118219-23-1
Jingsj CID: J-1028197-7
Molecular Formula: C₁₂H₁₇NO₄
Molecular Weight: 239.268 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	461.0±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	232.6±28.7 °C
Exact Mass	239.115753
PSA	78.79000
LogP	0.61
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.553
Storage Conditions	2-8℃

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 Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate?

The CAS number of Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate is 118219-23-1.

What are the molecular formula and molecular weight of Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate?

Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate has molecular formula C12H17NO4 and molecular weight 239.268 g/mol.

What are the upstream and downstream products of Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate?

For Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate, Upstream Products: Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate, N-Carbobenzyloxy-L-aspartic acid; Downstream Products: (S)-2-(((Benzyloxy)carbonyl)amino)-1,4-bis(methanesulfonyloxy)butane, benzyl N-[(3S)-pyrrolidin-3-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. "Benzyl [(2S)-1,4-dihydroxy-2-butanyl]carbamate (CAS 118219-23-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028197-7 (accessed 2026-11-09).

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