All Reference Standards

reference standards

We have provided many reference standards for process impurities. We typically stock the following compounds. Please contact us for other reference standards you may be in need of.

(6α)-6-(Methoxymethyl)-androsta-1,4-diene-3,17-dione
(6α)-6-(Methoxymethyl)-androsta-1,4-diene-3,17-dione

CAS No.881896-95-3

(6β)-6-(Hydroxymethyl)-androsta-1,4-diene-3,17-dione
(6β)-6-(Hydroxymethyl)-androsta-1,4-diene-3,17-dione

CAS No. 121021-51-0

1-[[[(1R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methyl]-cyclopropaneacetic acid
1-[[[(1R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methyl]-cyclopropaneacetic acid

CAS No. 1152185-58-4

1-[[[(1R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methylethenyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid
1-[[[(1R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methylethenyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid

CAS No. 918972-54-0

1-[[[(1R)-1-[3-[2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid
1-[[[(1R)-1-[3-[2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid

CAS No. 142147-67-9

10β-Hydroperoxy-norethindrone acetate
10β-Hydroperoxy-norethindrone acetate

10β-Hydroxynorethindrone acetate
10β-Hydroxynorethindrone acetate

14-Dehydroprogesterone
14-Dehydroprogesterone

CAS No. 24377-08-0

2-(4-Methyl-2-phenyl-1-piperazinyl)-3-pyridinecarbonitrile
2-(4-Methyl-2-phenyl-1-piperazinyl)-3-pyridinecarbonitrile

CAS No. 61337-88-0

2-Butyl-3,5-dihydro-5,5-dimethyl-3-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]-4H-Imidazol-4-one
2-Butyl-3,5-dihydro-5,5-dimethyl-3-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]-4H-Imidazol-4-one

CAS No. 141745-36-0