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(S)-2-Methyl-CBS-oxazaborolidine

Also known as: (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole, (S)-3,3-Diphenyl-1-methyltetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, (S)-5,5-Diphenyl-2-methyl-3,4-propano-1,3,2-oxazaborolidine, (S)-Me-CBS Catalyst, (S)-Methyl-CBS-oxazaborolidine, (S)-(-)-2-Methyl-CBS-oxazaborolidine, (S)-(+)-Methyl-CBS-oxazaborolidine, (S)-1-Methyl-3,3-diphenyltetrahydro-3H-pyrrolo[1,2-c][1,3,2]oxazaborole, (3aS)-1-methyl-3,3-diphenyl-3a,4,5,6-tetrahydropyrrolo[1,2-c][1,3,2]oxazaborole, α,α-Diphenyl-L-prolinol methylboronic acid cycl-amide-ester, MFCD00078439

(S)-2-Methyl-CBS-oxazaborolidine (CAS 112022-81-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H20BNO and a molecular weight of 277.168 g/mol. Key properties include a melting point of 115-117°C, a boiling point of 377.5±52.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 182.1±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
112022-81-8
Jingsj CID
J-45829-7
Molecular Formula
C18H20BNO
Molecular Weight
277.168 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115-117°C
Boiling Point377.5±52.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point182.1±30.7 °C
Exact Mass277.163788
PSA12.47000
LogP3.48070
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.599

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. 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 (S)-2-Methyl-CBS-oxazaborolidine?

The CAS number of (S)-2-Methyl-CBS-oxazaborolidine is 112022-81-8.

What are the molecular formula and molecular weight of (S)-2-Methyl-CBS-oxazaborolidine?

(S)-2-Methyl-CBS-oxazaborolidine has molecular formula C18H20BNO and molecular weight 277.168 g/mol.

What are the upstream and downstream products of (S)-2-Methyl-CBS-oxazaborolidine?

For (S)-2-Methyl-CBS-oxazaborolidine, Upstream Products: (R)-Diphenylprolinol, Trimethylboroxine, Methylboronic acid; Downstream Products: 2-(4-Fluorophenyl)oxirane.

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

Last updated:

How to cite: Jingsj. "(S)-2-Methyl-CBS-oxazaborolidine (CAS 112022-81-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45829-7 (accessed 2026-11-09).

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