Impurity standards
Impurities, metabolites and labelled compounds from custom synthesis manufacturers. Any pack size on request — enter the quantity you need in the cart.
- EDQM
- USP
- British Pharmacopoeia
- LGC
- Merck
- Impurity standards
- Analytical standards and CRMs
- Isotope-labelled compounds
- Standard solutions and titrants
26,479 items found
- Clearsynth
Clearsynth CS-EO-01670-25GMS
- Cat. No.
- CS-EO-01670-25GMS
- CAS
- 2344-70-9
- Pack size
- 25 g
Any pack size on request
Manufacturers
- Molcan11,635 items
- TLC Pharmaceutical Standards4,691 items
- Pharmaffiliates4,113 items
3,143 items- Sigma-Aldrich1,962 items
- Laurel Pharma Labs588 items
- Honeywell113 items
- Thermo Fisher Scientific97 items
- TRC23 items
19 items
14 items- Angene International13 items
13 items- ABCR13 items
- TOKU-e10 items
10 items- IKA7 items
- Химлаборприбор5 items
- Heidolph3 items
- Central Drug House2 items
- Hawach Scientific1 item
- Vacuubrand1 item
- Avantor1 item
- Welch Materials1 item
- MACHEREY-NAGEL1 item
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
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
FAQ
Why are there no prices on the website?
The price depends on pack size, quantity, delivery terms and exchange rates. Add items to the quote cart and a manager will calculate the supply and send a quotation within 2 business hours.
Can I order an item that is not on the website?
Yes. Send a request with the catalogue number or CAS and we will supply it to order from the manufacturer’s catalogue.
Can I get a certificate of analysis for a specific batch?
Yes, we provide the batch CoA on request — mention it in the comment to your request.
Can I order a non-standard pack size?
Yes. For impurity standards choose “Custom pack size” and enter the quantity in mg, g or mL.
See also
Could not find the item?
Describe your request or attach a list of items: we will order from the manufacturer catalogs. We reply within 2 business hours.