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Chiral Building Blocks

(S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%

Available on request

(S)-(−)-2-Methyl-CBS-oxazaborolidine, 97% (CAS 112022-81-8) supplier Zemixal: C18H20BNO, COA and SDS with every lot, worldwide shipping.

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(S)-(−)-2-Methyl-CBS-oxazaborolidine, 97% chemical structure
CAS number112022-81-8
FormulaC18H20BNO
Molar mass277.2 g/mol
Physical formCrystalline
HS code29214290
Purity97%
InChIKeyVMKAFJQFKBASMU-KRWDZBQOSA-N
IUPAC name(3aS)-1-methyl-3,3-diphenyl-3a,4,5,6-tetrahydropyrrolo[1,2-c][1,3,2]oxazaborole

About (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%

(S)-(−)-2-Methyl-CBS-oxazaborolidine, 97% sits in our chiral Building Blocks section and ships worldwide from stock or short lead time. Identity at a glance (97%): CAS 112022-81-8, formula C18H20BNO and molar mass 277.2 g/mol. Expect white to off-white powder or crystals.

Common uses in the lab and plant

  • Organic synthesis
  • Reduction reactions

Safe handling

Keep it at 2–8 °C in a tightly closed container. Classified under GHS with signal word Danger and hazard statements H302, H315, H318 and H319. Read the SDS before first use.

Standard pack sizes are 5 g and 25 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Organic synthesis
  • Reduction reactions

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%
Product name(S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%
Catalogue numberZX-010329
CAS number112022-81-8
IUPAC name(3aS)-1-methyl-3,3-diphenyl-3a,4,5,6-tetrahydropyrrolo[1,2-c][1,3,2]oxazaborole
Molecular formulaC18H20BNO
Molar mass277.2 g/mol
Exact mass277.1638
Purity / assay97%
Physical formCrystalline
AppearanceWhite to off-white powder or crystals
H-bond donors / acceptors0 / 2
Topological polar surface area12.5 Ų
Storage2–8 °C
HS code29214290
InChIKeyVMKAFJQFKBASMU-KRWDZBQOSA-N
SMILESB1(N2CCC[C@H]2C(O1)(C3=CC=CC=C3)C4=CC=CC=C4)C
PubChem CID2734713
Synonyms(S)-2-methyl-CBS-oxazaborolidine, (S)-CBS reagent, (S)-Me-CBS, (S)-Methyl-CBS, (3aS)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole, (3aS)-1-methyl-3,3-diphenyl-hexahydropyrrolo(1,2-c)(1,3,2)oxazaborole, (S)-(-)-2-Methyl-CBS-oxazaborolidine, (S)-1-Methyl-3,3-diphenylhexahydropyrrolo[1,2-c][1,3,2]oxazaborole, (S)-Tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, (S)-5,5-Diphenyl-2-methyl-3,4-propano-1,3,2-oxazaborolidine, S-(-)-2-Methyl-CBS-oxazaborolidine, (S)-2-Methyl-CBS-oxazaborolidine (1 M in Toluene)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%
5 gQuoted on request
25 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%

Which CAS number identifies (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%?
(S)-(−)-2-Methyl-CBS-oxazaborolidine, 97% is registered under CAS 112022-81-8. You may also see it listed as (S)-2-methyl-CBS-oxazaborolidine, (S)-CBS reagent, (S)-Me-CBS. Our catalogue number for this item is ZX-010329.
What are the formula and molar mass of (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%?
For (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%, its formula is C18H20BNO and its molar mass is 277.2 g/mol. The systematic (IUPAC) name is (3aS)-1-methyl-3,3-diphenyl-3a,4,5,6-tetrahydropyrrolo[1,2-c][1,3,2]oxazaborole. InChIKey VMKAFJQFKBASMU-KRWDZBQOSA-N lets you match it in any structure database.
What grade and pack sizes are available for (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%?
This listing is 97% purity. Standard packs are 5 g, 25 g. Larger quantities and custom packing can be quoted on request.
Which documents come with (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97% to my country?
Yes. Because (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
How do I store (S)-(−)-2-Methyl-CBS-oxazaborolidine, 97%?
2–8 °C. Keep the container closed and follow the handling advice in the SDS.

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