Isotope-labelled reference standards
Isotope-labelled compounds are internal standards for quantitative LC-MS/MS in bioanalysis and impurity control.
- EDQM
- USP
- British Pharmacopoeia
- LGC
- Merck
- Impurity standards
- Analytical standards and CRMs
- Isotope-labelled compounds
- Standard solutions and titrants
9 items found
Manufacturers
Substances of the section by CAS
All substances by CAS- 6-Aminopenicillanic acidCAS 551-16-6
- N-[(S)-1-Ethoxycarbonyl-3-phenylpropyl]-L-alanineCAS 82717-96-2
- alpha-(2,4-Dichlorophenyl)-1H-imidazole-1-ethanolCAS 24155-42-8
- BenzhydrolCAS 91-01-0
- 7-Aminocephalosporanic acidCAS 957-68-6
- N,N-DiethylethylenediamineCAS 100-36-7
- ResorcinolCAS 108-46-3
- N-(2',6'-Dimethylphenyl)-2-piperidine carboxamideCAS 15883-20-2
- 1-(4-Chlorobenzhydryl)piperazineCAS 303-26-4
- B-estradiolCAS 50-28-2
- DL-Tropic acidCAS 552-63-6
- 4-Amino-6,7-dimethoxy-2-piperazin-1-ylquinazolineCAS 60547-97-9
- 2-PropanolCAS 67-63-0
- Salicylic acidCAS 69-72-7
- 4-Amino-5-chloro-2-methoxybenzoic acidCAS 7206-70-4
- (+/-)-Mandelic acidCAS 90-64-2
- 2-ChlorophenothiazineCAS 92-39-7
- 11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine dihydrochlorideCAS 111974-74-4
- Sulfanilic acidCAS 121-57-3
- DibenzosuberolCAS 1210-34-0
- Methimazole USP RCCAS 122-07-6
- 4-AminophenolCAS 123-30-8
- 5-[4'-(Bromomethyl)-1,1'-biphenyl-2-yl]-2-triphenylmethyl-2H-tetrazoleCAS 133051-88-4
- 2-Butyl-3-[[2'-cyano-[1,1'-biphenyl]-4-yl]methyl]-1,3-diazaspiro[4,4]non-1-en-4-oneCAS 138401-24-8
Useful information
An isotope-labelled internal standard is chemically almost identical to the analyte but differs in mass. It therefore goes through sample preparation and chromatography like the analyte and compensates for losses and matrix effects in mass spectrometric detection.
The custom synthesis manufacturers OGK-CHEM works with supply labelled compounds in any pack size on request: enter the amount and unit in the cart.
Delivery terms
- Supplied to order from manufacturer catalogues — lead time is stated in the quotation
- Storage conditions are kept in transit: +2…+8 °C, −20 °C, dry ice
- Accompanying documents: batch certificate of analysis (CoA), safety data sheet (SDS)
- Delivery to any region of Russia; documents for public procurement under 44-FZ and 223-FZ
Documents
See also
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