Research Chemicals & Building Blocks
Promestriene Impurities
| Product Code | Ax-15258 |
| CAS Number | 4954-12-5 |
| Molecular Formula | C19H26O2 |
| Molecular Weight | 286.41 |
(S)-2-((5-fluoro-2,4-dinitrophenyl)amino)propanamide
| Product Code | Ax-15256 |
| CAS Number | 95713-52-3 |
| Molecular Formula | C9H9FN4O5 |
| Molecular Weight | 272.19 |
(S)-3-(4-bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile
| Product Code | Ax-15255 |
| CAS Number | 2183286-19-1 |
| Molecular Formula | C11H14BrN3 |
| Molecular Weight | 268.16 |
Saxagliptin Nitroso Impurity-A
| Product Code | Ax-15254 |
| CAS Number | NA |
| Molecular Formula | C18H24N4O3 |
| Molecular Weight | 344.42 |
1-(tert-butyl) 2-methyl (2S,4S)-4-((tert-butyldimethylsilyl)oxy)pyrrolidine-1,2-dicarboxylate
| Product Code | Ax-15253 |
| CAS Number | 367966-45-8 |
| Molecular Formula | C17H33NO5Si |
| Molecular Weight | 359.54 |
1-(tert-butyl) 2-methyl (2S,4S)-4-((tert-butyldimethylsilyl)oxy)-5-oxopyrrolidine-1,2-dicarboxylate
| Product Code | Ax-15252 |
| CAS Number | 367966-67-4 |
| Molecular Formula | C17H31NO6Si |
| Molecular Weight | 373.52 |
1-(5-(2-fluorophenyl)-1H-pyrrol-3-yl)-N-((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)-N-methylmethanamine
| Product Code | Ax-15251 |
| CAS Number | 3058423-29-0 |
| Molecular Formula | C23H21F2N3 |
| Molecular Weight | 377.44 |
N-methyl-2-(methylthio)ethan-1-amine hydrochloride
| Product Code | Ax-15250 |
| CAS Number | 98021-13-7 |
| Molecular Formula | C4H12ClNS |
| Molecular Weight | 141.66 |
N-(2-(methylthio)ethyl)formamide
| Product Code | Ax-15249 |
| CAS Number | 1314969-80-6 |
| Molecular Formula | C4H9NOS |
| Molecular Weight | 119.18 |
Biotin Impurity E
| Product Code | Ax-15248 |
| CAS Number | 57229-92-2 |
| Molecular Formula | C17H22N2O3S |
| Molecular Weight | 334.43 |
N,N'-dibenzylbiotin
| Product Code | Ax-15247 |
| CAS Number | 33607-60-2 |
| Molecular Formula | C24H28N2O3S |
| Molecular Weight | 424.56 |
methyl 5-(3-amino-4-((tert-butoxycarbonyl)amino)thiophen-2-yl)pentanoate
| Product Code | Ax-15246 |
| CAS Number | 194350-28-2 |
| Molecular Formula | C15H24N2O4S |
| Molecular Weight | 328.43 |
methyl 5-(3,4-diaminothiophen-2-yl)pentanoate
| Product Code | Ax-15245 |
| CAS Number | 194350-42-0 |
| Molecular Formula | C10H16N2O2S |
| Molecular Weight | 228.31 |
Biotin Impurity C
| Product Code | Ax-15244 |
| CAS Number | 412308-26-0 |
| Molecular Formula | C9H14N2O2S |
| Molecular Weight | 214.28 |
Biotin Impurity A
| Product Code | Ax-15243 |
| CAS Number | 1163708-46-0 |
| Molecular Formula | C18H28N4O4S2 |
| Molecular Weight | 428.57 |
tert-butyl N-benzyl-N-((R)-1-phenylethyl)-D-threoninate
| Product Code | Ax-15242 |
| CAS Number | 2226193-29-7 |
| Molecular Formula | C23H31NO3 |
| Molecular Weight | 369.51 |
tert-butyl (2S,3R)-3-(benzyl((R)-1-phenylethyl)amino)-2-hydroxybutanoate
| Product Code | Ax-15241 |
| CAS Number | 1454771-32-4 |
| Molecular Formula | C23H31NO3 |
| Molecular Weight | 369.51 |
tert-butyl (R)-3-(benzyl((R)-1-phenylethyl)amino)-2-oxobutanoate
| Product Code | Ax-15240 |
| CAS Number | 1454771-31-3 |
| Molecular Formula | C23H29NO3 |
| Molecular Weight | 367.49 |
tert-butyl (2R,3R)-3-(benzyl((R)-1-phenylethyl)amino)-2-hydroxybutanoate
| Product Code | Ax-15239 |
| CAS Number | 161453-10-7 |
| Molecular Formula | C23H31NO3 |
| Molecular Weight | 369.51 |
tert-butyl D-threoninate
| Product Code | Ax-15238 |
| CAS Number | 67580-85-2 |
| Molecular Formula | C8H17NO3 |
| Molecular Weight | 175.23 |
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