Methyl (R)-(+)-2-chloropropionate
Impurity reference standard
- CAS number
- 77287-29-7
- InChIKey
- JLEJCNOTNLZCHQ-GSVOUGTGSA-N
- Molecular formula
- C4H7ClO2
- Molecular weight
- 122.55
- Exact mass
- 122.0135 Da
- Purity
- 95%+
- Appearance
- liquid
- Storage
- 2℃ ~ 8℃
About Methyl (R)-(+)-2-chloropropionate
Methyl (R)-(+)-2-chloropropionate is supplied as an analytical reference standard. It is registered under CAS number 77287-29-7.
The compound is characterised by its molecular formula C4H7ClO2 and a molecular weight of 122.55, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 122.0135 Da, a calculated LogP of 0.79, a topological polar surface area of 26.30 Ų. It presents 0 hydrogen-bond donors and 2 acceptors. The structure carries 1 defined stereocentre, which is relevant wherever a stereochemically defined standard is required. These values are commonly used to anticipate chromatographic retention and to plan ionisation conditions during method development.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: 2℃ ~ 8℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Calculated properties
Derived from the two-dimensional structure above using RDKit. Computed values describe the parent structure and are provided as a reference for method development — they are not measured data.
- LogP (Crippen)
- 0.79
- Topological polar surface area
- 26.30 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 1
- Heavy atoms
- 7
- Rings
- 0
- Defined stereocentres
- 1
- Elemental composition
- C 39.20% · Cl 28.93% · H 5.76% · O 26.11%
Frequently asked questions
What purity does Methyl (R)-(+)-2-chloropropionate ship at?
Methyl (R)-(+)-2-chloropropionate is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does Methyl (R)-(+)-2-chloropropionate come with a certificate of analysis?
Yes. Every pack ships with a certificate of analysis plus the supporting analytical data — HNMR, MS and HPLC or GC traces.
How is Methyl (R)-(+)-2-chloropropionate uniquely identified?
The InChIKey JLEJCNOTNLZCHQ-GSVOUGTGSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for Methyl (R)-(+)-2-chloropropionate?
Yes. The two-dimensional structure is drawn on this page from the SMILES record, and the SMILES or a molfile can be supplied on request.
What pack sizes are available for Methyl (R)-(+)-2-chloropropionate?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should Methyl (R)-(+)-2-chloropropionate be stored?
Recommended storage: 2℃ ~ 8℃.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.