Esteve • supplied in India by Akira Analytical Solutions Pvt. Ltd.
RR Whelk Columns
RR Whelk Columns use the R,R Whelk selector and provide complementary chiral selectivity to SS Whelk for racemate screening, enantiomer elution-order studies and difficult chiral impurity methods.
What are RR Whelk Columns?
RR Whelk Columns use the R,R Whelk selector and provide complementary chiral selectivity to SS Whelk for racemate screening, enantiomer elution-order studies and difficult chiral impurity methods.
Choose RR Whelk when SS Whelk shows partial resolution, when opposite elution order is desired, or when a difficult racemate needs alternative selector geometry. They support analytical, guard and semi-preparative workflows.
Technology, mechanism and applications
Choose RR Whelk when SS Whelk shows partial resolution, when opposite elution order is desired, or when a difficult racemate needs alternative selector geometry. They support analytical, guard and semi-preparative workflows.
- Method development and replacement screening support
- Pharmaceutical QC, impurity profiling and research laboratories
- Typical analytes include APIs, intermediates, ionic compounds, racemates and polar analytes depending on family
- Storage and care: use compatible solvents, filter mobile phases and follow validated laboratory procedures.
Technical support
For product selection, dimensions and method transfer support, contact Akira Analytical Solutions Pvt. Ltd..
Available catalog specifications
| Product name | Chemistry | Particle size | Dimension | Catalog number |
|---|---|---|---|---|
| (R,R) Whelk-O 1 Guard Kit (3 qty), 10mm x 3mm, 5um, *guard holder sold separately | WHELK-O1 | 5 | 10 mm x 3 mm | 1-780200-300 |
| (R,R) Whelk-O 1, 250mm x 4.6mm, 5um | WHELK-O1 | 5 | 250 mm x 4.6 mm | 1-780201-300 |
| (R,R) Whelk-O 1, 250mm x 10mm, 5um | WHELK-O1 | 5 | 250 mm x 10 mm | 1-780202-300 |
| (R,R) Whelk-O 1, 150mm x 4.6mm, 5um | WHELK-O1 | 5 | 150 mm x 4.6 mm | 1-780205-300 |
| (R,R) Whelk-O 1, 150mm x 2.1mm, 5um | WHELK-O1 | 5 | 150 mm x 2.1 mm | 1-780206-300 |
| (R,R) Whelk-O 1, 50mm x 4.6mm, 3.5um | WHELK-O1 | 3.5 | 50 mm x 4.6 mm | 1-780220-300 |
| (R,R) Whelk-O 1, 100mm x 4.6mm, 3.5um | WHELK-O1 | 3.5 | 100 mm x 4.6 mm | 1-780221-300 |
| (R,R) Whelk-O 1, 150mm x 4.6mm, 3.5um | WHELK-O1 | 3.5 | 150 mm x 4.6 mm | 1-780222-300 |
| (R,R) Whelk-O 1, 250mm x 4.6mm, 3.5um | WHELK-O1 | 3.5 | 250 mm x 4.6 mm | 1-780223-300 |
| (R,R) Whelk-O 1, 150mm x 3mm, 3.5um | WHELK-O1 | 3.5 | 150 mm x 3 mm | 1-780224-300 |
| (R,R) Whelk-O 1, 100mm x 3mm , 3.5um | WHELK-O1 | 3.5 | 100 mm x 3 mm | 1-780225-300 |
| (R,R) Whelk-O 1, 50mm x 3mm, 3.5um | WHELK-O1 | 3.5 | 50 mm x 3 mm | 1-780226-300 |
| (R,R) Whelk-O 1, 20mm x 3mm, 3.5um | WHELK-O1 | 3.5 | 20 mm x 3 mm | 1-780227-300 |
| (R,R) Whelk-O 1, 50mm x 2.1mm, 3.5um | WHELK-O1 | 3.5 | 50 mm x 2.1 mm | 1-780228-300 |
| (R,R) Whelk-O 1, 100mm x 2.1mm, 3.5um | WHELK-O1 | 3.5 | 100 mm x 2.1 mm | 1-780229-300 |
| (R,R) Whelk-O 1, 150mm x 2.1mm, 3.5um | WHELK-O1 | 3.5 | 150 mm x 2.1 mm | 1-780230-300 |
| (R,R) Whelk-O 1 Guard Kit (3 qty), 10mm x 3mm, 2.7um, *guard holder sold separately | WHELK-O1 | 3.5 | 10 mm x 3 mm | 1-780231-300 |
| (R,R) Whelk-O 1, 100mm x 4.6mm, 5um | WHELK-O1 | 5 | 100 mm x 4.6 mm | 1-780251-300 |
| (R,R) Whelk-O 1, 50mm x 4.6mm, 5um | WHELK-O1 | 5 | 50 mm x 4.6 mm | 1-780252-300 |
| (R,R) Whelk-O 1, 30mm x 4.6mm, 5um | WHELK-O1 | 5 | 30 mm x 4.6 mm | 1-780253-300 |
| (R,R) Whelk-O 1, 100mm x 2.1mm, 5um | WHELK-O1 | 5 | 100 mm x 2.1 mm | 1-780254-300 |
| (R,R) Whelk-O 1, 50mm x 2.1mm, 5um | WHELK-O1 | 5 | 50 mm x 2.1 mm | 1-780255-300 |
| (R,R) Whelk-O 1, 50mm x 3mm, 5um | WHELK-O1 | 5 | 50 mm x 3 mm | 1-780259-300 |
| (R,R) Whelk-O 1, 100mm x 3mm , 5um | WHELK-O1 | 5 | 100 mm x 3 mm | 1-780260-300 |
| (R,R) Whelk-O 1, 100mm x 4.6mm, 1.8um | WHELK-O1 | 1.8 | 100 mm x 4.6 mm | 1-780261-300 |
| (R,R) Whelk-O 1, 50mm x 4.6mm, 1.8um | WHELK-O1 | 1.8 | 50 mm x 4.6 mm | 1-780262-300 |
| (R,R) Whelk-O 1, 50mm x 2.1mm, 1.8um | WHELK-O1 | 1.8 | 50 mm x 2.1 mm | 1-780263-300 |
| (R,R) Whelk-O 1, 100mm x 2.1mm, 1.8um | WHELK-O1 | 1.8 | 100 mm x 2.1 mm | 1-780264-300 |
| (R,R) Whelk-O 1, 50mm x 3mm, 1.8um | WHELK-O1 | 1.8 | 50 mm x 3 mm | 1-780265-300 |
| (R,R) Whelk-O 1, 100mm x 3mm, 1.8um | WHELK-O1 | 1.8 | 100 mm x 3 mm | 1-780266-300 |
| (R,R) Whelk-O 1, 20mm x 3mm, 1.8um | WHELK-O1 | 1.8 | 20 mm x 3 mm | 1-780267-300 |
| (R,R) Whelk-O 1, 150mm x 4.6mm,1.8um | WHELK-O1 | 1.8 | 150 mm x 4.6 mm | 1-780268-300 |
| (R,R) Whelk-O 1, 50mm x 2.1mm, 2.7um | WHELK-O1 | 2.7 | 50 mm x 2.1 mm | 1-780271-300 |
| (R,R) Whelk-O 1, 100mm x 2.1mm, 2.7um | WHELK-O1 | 2.7 | 100 mm x 2.1 mm | 1-780272-300 |
| (R,R) Whelk-O 1, 150mm x 2.1mm, 2.7um | WHELK-O1 | 2.7 | 150 mm x 2.1 mm | 1-780273-300 |
| (R,R) Whelk-O 1, 50mm x 4.6mm, 2.7um | WHELK-O1 | 2.7 | 50 mm x 4.6 mm | 1-780274-300 |
| (R,R) Whelk-O 1, 100mm x 4.6mm, 2.7um | WHELK-O1 | 2.7 | 100 mm x 4.6 mm | 1-780275-300 |
| (R,R) Whelk-O 1, 150mm x 4.6mm, 2.7um | WHELK-O1 | 2.7 | 150 mm x 4.6 mm | 1-780276-300 |
| (R,R) Whelk-O 1, 50mm x 3mm, 2.7um | WHELK-O1 | 2.7 | 50 mm x 3 mm | 1-780277-300 |
| (R,R) Whelk-O 1, 100mm x 3mm, 2.7um | WHELK-O1 | 2.7 | 100 mm x 3 mm | 1-780278-300 |
| (R,R) Whelk-O 1, 150mm x 3mm, 2.7um | WHELK-O1 | 2.7 | 150 mm x 3 mm | 1-780279-300 |
| (R,R) Whelk-O 1 Guard Kit(3 qty), 10mm x 3mm, 2.7um , *guard holder sold separately | WHELK-O1 | 2.7 | 10 mm x 3 mm | 1-780280-300 |
| (R,R) Whelk-O 1, 250mm x 4.6mm, 20um | WHELK-O1 | 20 | 250 mm x 4.6 mm | 1-781401-300 |
| (R,R) Whelk-O 1, 250mm x 4.6mm, 5um | WHELK-O1 EXSIL | 5 | 250 mm x 4.6 mm | 1-786201-300 |
| (R,R) Whelk-O 1, 250mm x 10mm, 5um | WHELK-O1 EXSIL | 5 | 250 mm x 10 mm | 1-786202-300 |
| (R,R) Whelk-O 1, 150mm x 4.6mm, 5um | WHELK-O1 EXSIL | 5 | 150 mm x 4.6 mm | 1-786250-300 |
| (R,R) Whelk-O 1, 150mm x 4.6mm, 10um | WHELK-O1 | 10 | 150 mm x 4.6 mm | 1-786252-300 |
| (R,R) Whelk-O 2, 50mm x 4.6mm, 10um | WHELK-O2 | 10 | 50 mm x 4.6 mm | 1-786301-300 |
| (R,R) Whelk-O 2, 250mm x 4.6mm, 10um | WHELK-O2 | 10 | 250 mm x 4.6 mm | 1-786315-300 |
| (R,R) Whelk-O 2, 250mm x 10mm, 10um | WHELK-O2 | 10 | 250 mm x 10 mm | 1-786325-300 |
| (R,R) Whelk-O 1, 250mm x 4.6mm, 16um | WHELK-O1 | 16 | 250 mm x 4.6 mm | 1-786361-300 |
| (R,R) Whelk-O 2, 150mm x 4.6mm, 10um | WHELK-O2 | 10 | 150 mm x 4.6 mm | 1-786446-300 |
| (R,R) Whelk-O 1, 250mm x 4.6mm, 10um | WHELK-O1 | 10 | 250 mm x 4.6 mm | 1-786515-300 |
| (R,R) Whelk-O 1, 150mm x 10mm, 10um | WHELK-O1 | 10 | 150 mm x 10 mm | 1-786516-300 |
| (R,R) Whelk-O 1, 300mm x 4.6, 10um | WHELK-O1 | 10 | 300 mm x 4.6 mm | 1-786517-300 |
| (R,R) Whelk-O 1, 250mm x 10mm, 10um | WHELK-O1 | 10 | 250 mm x 10 mm | 1-786525-300 |
| (R,R) Whelk-O 1, 50mm x 2.1mm, 5um | WHELK-O1 EXSIL | 5 | 50 mm x 2.1 mm | 1-786901-300 |
| (R,R) Whelk-O 1 , 50mm x 2.1mm, 10um | WHELK-O1 | 10 | 50 mm x 2.1 mm | 1-786903-300 |
| (R,R) Whelk-O 1, 50mm x 4.6mm, 5um | WHELK-O1 EXSIL | 5 | 50 mm x 4.6 mm | 1-786905-300 |
| (R,R) Whelk-O 1, 50mm x 4.6mm, 10um | WHELK-O1 | 10 | 50 mm x 4.6 mm | 1-786907-300 |
| (R,R) Whelk-O 1, 100mm x 4.6mm, 10um | WHELK-O1 | 10 | 100 mm x 4.6 mm | 1-786909-300 |
| (R,R) Whelk-O 2, 100mm x 4.6mm, 10um | WHELK-O2 | 10 | 100 mm x 4.6 mm | 1-786911-300 |
| (R,R) Whelk-O 1, 100mm x 4.6mm, 5um | WHELK-O1 EXSIL | 5 | 100 mm x 4.6 mm | 1-786913-300 |
| (R,R) Whelk-O 1, 150mm x 2.1mm, 5um | WHELK-O1 EXSIL | 5 | 150 mm x 2.1 mm | 1-786951-300 |
| (R,R) Whelk-O 2, 150mm x 2.1mm, 10um | WHELK-O2 | 10 | 150 mm x 2.1 mm | 1-786952-300 |
Frequently asked questions
When should RR Whelk be selected instead of SS Whelk?
Select RR Whelk for complementary selectivity, possible reversal of enantiomer elution order and expanded method screening.
Can RR Whelk help chiral impurity analysis?
Yes, it is useful when trace enantiomeric impurities require a different recognition environment.
Is RR Whelk solvent compatible?
It is commonly used under normal phase, polar organic and selected reversed-phase compatible HPLC conditions.
Does RR Whelk support scale-up?
Cataloged analytical and semi-prep dimensions allow method development and preparative planning.
Who supplies RR Whelk in India?
Akira Analytical Solutions Pvt. Ltd. supplies and supports RR Whelk products in India.