Subcategory of Pharmaceuticals and APIs
Impurities and reference standards, page 179
More impurities and reference standards, most searched and traded first. Back to the impurities and reference standards overview
More impurities and reference standards
Showing 8,545 to 8,592 of 9,002 chemicals, most searched and traded first.
(2S)-4-Ethoxy-2-methyl-4-oxobutanoic acidCAS 65527-90-4C7H12O4Request quotes
1-(2,4,5-Trimethoxybenzyl)piperazine DihydrochlorideCAS 2518359-32-3C14H24Cl2N2O3Request quotes
1-(3-Chlorophenyl)-4-(3-isobutoxypropyl)piperazine hydrochlorideCAS 2470441-00-8C17H28Cl2N2ORequest quotes
1-(3-Methoxyphenyl)-4-nitrosopiperazineCAS 2763779-41-3C11H15N3O2Request quotes![1-[(2RS)-2-Benzyloxy-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole Nitrate chemical structure, C18H17Cl2N3O4, CAS 203264-09-9](/s/LWUSMMBQCGNXTQ-UHFFFAOYSA-N.svg)
1-[(2RS)-2-Benzyloxy-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole NitrateCAS 203264-09-9C18H17Cl2N3O4Request quotes![1,3-Bis-[4-(3-chlorophenyl)piperazin-1-yl]propane Dihydrochloride chemical structure, C23H32Cl4N4, CAS 2408971-27-5](/s/GJACYTIZZHHUSK-UHFFFAOYSA-N.svg)
1,3-Bis-[4-(3-chlorophenyl)piperazin-1-yl]propane DihydrochlorideCAS 2408971-27-5C23H32Cl4N4Request quotes
2-(Propylsulfanyl)pyrimidin-5-amineCAS 1249669-99-5C7H11N3SRequest quotes![2-Thiazolidineacetic acid, 4-carboxy-alpha-[[[3-(2-chloro-6-fluorophenyl)-5-methyl-4-isoxazolyl]carbonyl]amino]-5,5-dimethyl-, sodium salt (1:2) chemical structure, C19H19ClFN3NaO6S, CAS 68728-50-7](/s/DGBQSDQFQIIXFM-UHFFFAOYSA-N.svg)
2-Thiazolidineacetic acid, 4-carboxy-alpha-[[[3-(2-chloro-6-fluorophenyl)-5-methyl-4-isoxazolyl]carbonyl]amino]-5,5-dimethyl-, sodium salt (1:2)CAS 68728-50-7C19H19ClFN3NaO6SRequest quotes
3-(Diphenylmethylene)quinuclidine hydrochlorideCAS 60697-89-4C20H22ClNRequest quotes
3-(Isonicotinoylhydrazonomethyl) rifamycinCAS 13292-53-0C44H52N4O13Request quotes
3,4-Dichloro-5-formylbenzoic acidCAS 2169427-43-2C8H4Cl2O3Request quotes
4-Chloro-2-(propylsulfanyl)pyrimidin-5-amineCAS 2518048-22-9C7H10ClN3SRequest quotes
4-Defluoro 2-fluoro flunarizine dihydrochlorideCAS 2734416-95-4C26H28Cl2F2N2Request quotes![5-Benzyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine Hydrochloride chemical structure, C14H16ClNS, CAS 54903-07-0](/s/QHXKRSKJDSEPQI-UHFFFAOYSA-N.svg)
5-Benzyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine HydrochlorideCAS 54903-07-0C14H16ClNSRequest quotes
6,8-Dibromo-3-cyclohexyl-3,4-dihydro-2(1H)-quinazolinoneCAS 21237-84-3C14H16Br2N2ORequest quotes
Bisoprolol EP impurity JCAS 1797024-50-0C15H24O5Request quotes
Boc-3-hydroxy-1-adamantyl-glycineC17H27NO5Request quotes
Caffeidine nitrateCAS 209725-34-8C7H13N5O4Request quotes
Cyproheptadine impurity 7CAS 4331-45-7C20H20ClNRequest quotes
D-Valganciclovir hydrochlorideCAS 1393911-57-3C14H23ClN6O5Request quotes
Estra-1,3,5(10)-trien-17-one, 16-bromo-3-(phenylmethoxy)-, cyclic 1,2-ethanediyl acetalCAS 690996-27-1C27H31BrO3Request quotes
Ethyl (1R,2S)-2-(dimethylamino)-5-oxo-1-phenylcyclohex-3-ene-1-carboxylateCAS 365414-83-1C17H21NO3Request quotes![Isotretinoin impurity G [EP] chemical structure, C20H28O3](/s/KEEHJLBAOLGBJZ-VUGZLNCVSA-N.svg)
Isotretinoin impurity G [EP]C20H28O3Request quotes
L-Tyrosine, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, sodium salt, hydrate (1:1:?)C15H13I4NNaO5Request quotes
N-(4-Butylphenyl)-2-iodobenzamideCAS 349110-20-9C17H18INORequest quotes
Pentasiloxane, 1-butyl-1,1,3,3,5,5,7,7,9,9-decamethyl-CAS 121263-53-4C14H40O4Si5Request quotes
Propargyl (RS)-2-Cyclohexyl-2-hydroxy-2-phenylacetate (Phenylcyclohexylglycolic Acid Propargyl Ester)CAS 81039-74-9C17H20O3Request quotes
Propyphenazone EP impurity CCAS 2731375-50-9C17H24N2ORequest quotes
Salbutamol acetateCAS 1420043-41-9C15H23NO4Request quotes
(E)-2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)-2-butenamideCAS 214782-56-6C12H9F3N2O2Request quotes
Glycyl-L-tyrosinamideCAS 3715-41-1C11H15N3O3Request quotes
3-Nitrofuran-2-carbaldehydeCAS 65019-14-9C5H3NO4Request quotes
1-MethylisonicotinamideCAS 6843-37-4C7H8N2ORequest quotes
2,4,6-TrimethoxytolueneCAS 14107-97-2C10H14O3Request quotes
3-Methoxy-4-methylamphetamineCAS 124206-66-2C11H17NORequest quotes
3-Methyl-5,5-diphenylimidazolidine-2,4-dioneCAS 4224-00-4C16H14N2O2Request quotes
7,8-Dimethyl-10-formylmethylisoalloxazineCAS 4250-90-2C14H12N4O3Request quotes
Methyl 3,4-methylenedioxy-5-methoxybenzoateCAS 22934-58-3C10H10O5Request quotes
trans-4-(2-(4-(2,3-Dichlorophenyl)piperazin-1-yl)ethyl)cyclohexan-1-amineCAS 791778-53-5C18H27Cl2N31 supplier
Triacetyl Aloe-emodin (Impurity A)CAS 25395-11-3C21H16O81 supplier
Levamlodipine maleateCAS 135969-53-8C24H29ClN2O91 supplier
2-(4-(4-Chloro-1,2-diphenylbut-1-en-1-yl)phenoxy)-N,N-dimethylethanamineCAS 89778-29-0C26H28ClNORequest quotes
2,4-Dihydroxybenzenesulfonic acidCAS 6409-58-1C6H6O5SRequest quotes
EpinorgalanthamineCAS 156040-03-8C16H19NO3Request quotes
Leucomycin A4CAS 18361-46-1C41H67NO151 supplier
trans-5-Hydroxy-L-pipecolic acidCAS 50439-45-7C6H11NO3Request quotes
2-Pyrrolidinemethanol, alpha,alpha-diphenyl-, (R)-CAS 22348-32-9C17H19NO22 suppliers
Bbr 2577CAS 134566-65-7C22H28N4O5Request quotes
Jump to page (188 pages)Show allHide
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- 108
- 109
- 110
- 111
- 112
- 113
- 114
- 115
- 116
- 117
- 118
- 119
- 120
- 121
- 122
- 123
- 124
- 125
- 126
- 127
- 128
- 129
- 130
- 131
- 132
- 133
- 134
- 135
- 136
- 137
- 138
- 139
- 140
- 141
- 142
- 143
- 144
- 145
- 146
- 147
- 148
- 149
- 150
- 151
- 152
- 153
- 154
- 155
- 156
- 157
- 158
- 159
- 160
- 161
- 162
- 163
- 164
- 165
- 166
- 167
- 168
- 169
- 170
- 171
- 172
- 173
- 174
- 175
- 176
- 177
- 178
- 179
- 180
- 181
- 182
- 183
- 184
- 185
- 186
- 187
- 188
Request for quote
Cannot find the impurities and reference standards you need?
Post one buy request with the grade, quantity and destination. Matching suppliers send you quotes, and your contact details stay private until you accept one.