API Intermediates & KSM
Cleanchem Laboratories is a dependable supplier of high-quality API Intermediates and Key Starting Materials (KSMs) for pharmaceutical manufacturing. We provide well-characterized intermediates essential for the synthesis of active pharmaceutical ingredients. Our products are manufactured under strict quality standards to ensure consistency, purity, and regulatory compliance. Cleanchem supports drug development and production with reliable supply and technical expertise tailored to industry needs.
(1S)-2-(Dimethyl Amino)-1-Phenylethanol
Cat. No: CL-KSM-0028
CAS No: 2202-69-9
Mol. F: C10H15NO
Mol. Wt: 165.23
Inv. Status: Custom Synthesis
(2-Amino-5-bromo-phenyl)-pyridin-2-yl-methanone
Cat. No: CL-KSM-0059
CAS No: 1563-56-0
Mol. F: C12H9BrN2O
Mol. Wt: 277.12
Inv. Status: Custom Synthesis
(3S)-3-[4-[(5-Iodo-2-Chlorophenyl) Methyl] Phenoxy] Tetrahydrofuran
Cat. No: CL-KSM-0046
CAS No: 915095-94-2
Mol. F: C17H16ClIO2
Mol. Wt: 114.7
Inv. Status: Custom Synthesis
(4-Chlorophenyl) (4-Hydroxyphenyl) Methanone
Cat. No: CL-KSM-0066
CAS No: 42019-78-3
Mol. F: C13H9ClO2
Mol. Wt: 232.66
Inv. Status: Custom Synthesis
(6-Amino-2-Pyridinyl) (1-Methyl-4-Piperidinyl) Methanone. Dihydrochloride
Cat. No: CL-KSM-0035
CAS No: 613678-10-7
Mol. F: C12H19CL2N3O
Mol. Wt: 292.21
Inv. Status: Custom Synthesis
(N)-Ethyl-2-Aminomethyl Pyrrolidine
Cat. No: CL-KSM-0002
CAS No: 26116-12-1
Mol. F: C7H16N2
Mol. Wt: 128.22
Inv. Status: Custom Synthesis
(R)-(+)-2,2-Dimethyl-1,3-Dioxolan-4-Yl Methyl P-Toluene Sulfonate
Cat. No: CL-KSM-0061
CAS No: 23788-74-1
Mol. F: NA
Mol. Wt: NA
Inv. Status: Custom Synthesis
(R)-(-)-2,2-Dimethyl-1,3-Dioxolane-4-Methanol
Cat. No: CL-KSM-0089
CAS No: 14347-78-5
Mol. F: C6H12O3
Mol. Wt: 132.16
Inv. Status: Custom Synthesis
(R)-(2,2-dimethyl-1,3-dioxolan-4-yl) methyl methane sulfonate
Cat. No: CL-KSM-0023
CAS No: 83461-40-9
Mol. F: C5H5N3
Mol. Wt: 107.11
Inv. Status: Custom Synthesis
(R)-2-[2-(4-Nitro-Phenyl)- Ethylamino]-1-Phenyl-Ethanol
Cat. No: CL-KSM-0078
CAS No: 223673-34-5
Mol. F: C16H18N2O3
Mol. Wt: 286.33
Inv. Status: Custom Synthesis
(R)-3-Hydroxy Tetrahydrofuran
Cat. No: CL-KSM-0082
CAS No: 86087-24-3
Mol. F: C4H8O2
Mol. Wt: 88.11
Inv. Status: Custom Synthesis
(S)-(+)-2,2-Dimethyl-1,3-Dioxolan-4-yl Methyl P-Toluene Sulfonate
Cat. No: CL-KSM-0039
CAS No: 23735-43-5
Mol. F: C13H18O5S
Mol. Wt: 286.34
Inv. Status: Custom Synthesis
(S)-(+)-2,2-Dimethyl-1,3-Dixolane-4-Methanol
Cat. No: CL-KSM-0091
CAS No: 22323-82-6
Mol. F: C6H12O3
Mol. Wt: 132.16
Inv. Status: Custom Synthesis
(S)-2-(Aminomethyl)-N-Ethyl Pyrrolidine
Cat. No: CL-KSM-0001
CAS No: 22795-99-9
Mol. F: C7H16N2
Mol. Wt: 128.22
Inv. Status: Custom Synthesis
(S)-3-Hydroxy Tetrahydrofuran
Cat. No: CL-KSM-0003
CAS No: 86087-23-2
Mol. F: C4H8O2
Mol. Wt: 88.11
Inv. Status: Custom Synthesis
1(2H)-Phthalazinone
Cat. No: CL-KSM-0043
CAS No: 119-39-1
Mol. F: C8H6N2O
Mol. Wt: 146.15
Inv. Status: Custom Synthesis
1,3-Dimethyladamantane
Cat. No: CL-KSM-0060
CAS No: 702-79-4
Mol. F: 702-79-4
Mol. Wt: 164.29
Inv. Status: Custom Synthesis
1-Methoxy-2-Methyl-3-Nitrobenzene
Cat. No: CL-KSM-0031
CAS No: 4837-88-1
Mol. F: C7H5ClO
Mol. Wt: 140.57
Inv. Status: Custom Synthesis
2,3-Dihydro Benzofuran
Cat. No: CL-KSM-0027
CAS No: 496-16-2
Mol. F: C8H8O
Mol. Wt: 120.15
Inv. Status: Custom Synthesis
2,3-Dihydrobenzofuran-5-Acetic Acid
Cat. No: CL-KSM-0093
CAS No: 69999-16-2
Mol. F: C10H10O3
Mol. Wt: 178.18
Inv. Status: Custom Synthesis
2,4,5-Trimethoxy Benzoic Acid
Cat. No: CL-KSM-0014
CAS No: 490-64-2
Mol. F: C10H12O5
Mol. Wt: 212.12
Inv. Status: Custom Synthesis
2- Amino 6-Chloro-3 Nitropyridine
Cat. No: CL-KSM-0008
CAS No: 27048-04-0
Mol. F: C5H4ClN3O2
Mol. Wt: 173.56
Inv. Status: Custom Synthesis
2-((2-(Hydroxy (Phenyl) Methyl) Benzyl) (Methyl) Amino) Ethanol
Cat. No: CL-KSM-0100
CAS No: 60725-36-2
Mol. F: C17H21NO2
Mol. Wt: 271.36
Inv. Status: Custom Synthesis
2-(1H-Imidazol-1-Yl) Acetonitrile
Cat. No: CL-KSM-0024
CAS No: 98873-55-3
Mol. F: C5H5N3
Mol. Wt: 107.11
Inv. Status: Custom Synthesis
2-(2-Phenyldiazenyl) Propanedinitrile
Cat. No: CL-KSM-0069
CAS No: 6017-21-6
Mol. F: C9H6N4
Mol. Wt: 170.17
Inv. Status: Custom Synthesis
2-(3-Amino-4-Chlorobenzoyl) Benzoic Acid
Cat. No: CL-KSM-0062
CAS No: 118-04-7
Mol. F: C14H10ClNO3
Mol. Wt: 275.69
Inv. Status: Custom Synthesis
2-Amino-2'-Chloro-5-Nitrobenzophenone
Cat. No: CL-KSM-0016
CAS No: 2011-66-7
Mol. F: C13H9ClN2O3
Mol. Wt: 276.68
Inv. Status: Custom Synthesis
2-Amino-3-Nitro-6- (4'-Fluorbenzylamino) - Pyridine
Cat. No: CL-KSM-0009
CAS No: 33400-49-6
Mol. F: C12H11FN4O2
Mol. Wt: 262.24
Inv. Status: Custom Synthesis
2-Amino-4,6-Dichloro-5-Formamidopyrimidine
Cat. No: CL-KSM-0067
CAS No: 171887-03-9
Mol. F: C5H4Cl2N4O
Mol. Wt: 207.01
Inv. Status: Custom Synthesis
2-Amino-5-Chloro-2'-Chlorobenzophenone
Cat. No: CL-KSM-0017
CAS No: 2958-36-3
Mol. F: HNC6H3
Mol. Wt: 266.12
Inv. Status: Custom Synthesis
2-Amino-5-Chloro-2'-Fluorobenzophenone
Cat. No: CL-KSM-0020
CAS No: 784-38-3
Mol. F: C13H9ClFNO
Mol. Wt: 249.67
Inv. Status: Custom Synthesis
2-Amino-5-Nitro-2?-Fluorobenzophenone
Cat. No: CL-KSM-0058
CAS No: 344-80-9
Mol. F: NA
Mol. Wt: NA
Inv. Status: Custom Synthesis
2-Aminomethyl-7-Chloro-2,3-Dihydro-5-(2-Fluorophenyl)-1H-1,4-Benzodiazepine Dimaleate
Cat. No: CL-KSM-0087
CAS No: 59469-29-3
Mol. F: C24H23ClFN3O8
Mol. Wt: 535.91
Inv. Status: Custom Synthesis
2-Aminothiazol-4-Carboxylic Acid Ethyl Ester
Cat. No: CL-KSM-0015
CAS No: 5398-36-7
Mol. F: C6H8N2O2S
Mol. Wt: 172.2
Inv. Status: Custom Synthesis
2-Bromo-5-Hydroxy Benzaldehyde
Cat. No: CL-KSM-0025
CAS No: 2973-80-0
Mol. F: C7H5BrO2
Mol. Wt: 201.02
Inv. Status: Custom Synthesis
2-Bromo-5-Methoxy Benzoic Acid
Cat. No: CL-KSM-0070
CAS No: 22921-68-2
Mol. F: C8H7BrO3
Mol. Wt: 231.04
Inv. Status: Custom Synthesis
2-Bromo-5-Methylbenzoic Acid
Cat. No: CL-KSM-0101
CAS No: 6967-82-4
Mol. F: C8H7BrO2
Mol. Wt: 215.04
Inv. Status: Custom Synthesis
2-Bromomethylbenzonitrile
Cat. No: CL-KSM-0047
CAS No: 22115-41-9
Mol. F: C8H6BrN
Mol. Wt: 196.04
Inv. Status: Custom Synthesis
2-Carboxy Benzaldehyde
Cat. No: CL-KSM-0013
CAS No: 119-67-5
Mol. F: C8H6O3
Mol. Wt: 150.13
Inv. Status: Custom Synthesis
2-chloro-5-amino benzotrifluoride
Cat. No: CL-KSM-0050
CAS No: 320-51-4
Mol. F: C7H5ClF3N
Mol. Wt: 195.57
Inv. Status: Custom Synthesis
2-Hydroxy-5-Methyl Benzaldehyde
Cat. No: CL-KSM-0065
CAS No: 613-84-3
Mol. F: C8H8O2
Mol. Wt: 336.15
Inv. Status: Custom Synthesis
2-Hydroxy-5-Nitrobenzaldehyde
Cat. No: CL-KSM-0034
CAS No: 97-51-8
Mol. F: C7H5NO4
Mol. Wt: 167.12
Inv. Status: Custom Synthesis
2-Methyl -5-Amino Benzenesulphonamide
Cat. No: CL-KSM-0051
CAS No: 1853127
Mol. F: NA
Mol. Wt: NA
Inv. Status: Custom Synthesis
2-Methyl-3-Nitrobenzoic Acid
Cat. No: CL-KSM-0006
CAS No: 1975-50-4
Mol. F: C8H7NO4
Mol. Wt: 181.15
Inv. Status: Custom Synthesis
2-Tert-butylaniline
Cat. No: CL-KSM-0072
CAS No: 6310-21-0
Mol. F: C10H15NO
Mol. Wt: 149.23
Inv. Status: Custom Synthesis
2-[(2S)-Oxiran-2-yl Methyl]-1H-Isoindole 1,3-2(H)-Dione
Cat. No: CL-KSM-0073
CAS No: 161596-47-0
Mol. F: C11H9NO3
Mol. Wt: 203.19
Inv. Status: Custom Synthesis
2H-Thieno-[2,3-e]-1,2- Thiazine-3-Carboxylic Acid, 6-Chloro-4-Hydroxy-2- Methyl Methylester-1,1- Dioxide
Cat. No: CL-KSM-0010
CAS No: 70415-50-8
Mol. F: C9H8ClNO5S2
Mol. Wt: 309.75
Inv. Status: Custom Synthesis
3,3-Tetramethylene Glutarimide
Cat. No: CL-KSM-0045
CAS No: 1075-89-4
Mol. F: 1075-89-4
Mol. Wt: 167.21
Inv. Status: Custom Synthesis
3,6-Dichloropyradazine
Cat. No: CL-KSM-0030
CAS No: 141-30-0
Mol. F: C4H2Cl2N2
Mol. Wt: 148.98
Inv. Status: Custom Synthesis
3-Amino-2,6-Piperidinedione Hydrochloride
Cat. No: CL-KSM-0048
CAS No: 24666-56-6
Mol. F: C5H9ClN2O2
Mol. Wt: 164.59
Inv. Status: Custom Synthesis
3-Aminopyrazole-4-Carbonitrile
Cat. No: CL-KSM-0094
CAS No: 16617-46-2
Mol. F: C4H4N4
Mol. Wt: 108.1
Inv. Status: Custom Synthesis
3-Fluoro-2-Nitropyridine
Cat. No: CL-KSM-0033
CAS No: 54231-35-5
Mol. F: 54231-35-5
Mol. Wt: 142.09
Inv. Status: Custom Synthesis
3-Hydroxy-2-Methyl Benzoic Acid
Cat. No: CL-KSM-0074
CAS No: 603-80-5
Mol. F: C8H8O3
Mol. Wt: 152.15
Inv. Status: Custom Synthesis
3-Hydroxy-4-Nitrobenzoic Acid
Cat. No: CL-KSM-0102
CAS No: 619-14-7
Mol. F: C7H5NO5
Mol. Wt: 183.12
Inv. Status: Custom Synthesis
3-Methoxybenzoyl Chloride
Cat. No: CL-KSM-0042
CAS No: 1711-05-3
Mol. F: C8H7ClO2
Mol. Wt: 170.59
Inv. Status: Custom Synthesis
3-Oxo-N-(4-Trifluoromethylphenyl) Butanamide
Cat. No: CL-KSM-0026
CAS No: 351-87-1
Mol. F: C11H10F3NO2
Mol. Wt: 245.2
Inv. Status: Custom Synthesis
4-(4- Bromo-3-(Hydroxymethyl)Phenoxy) Benzonitrile
Cat. No: CL-KSM-0090
CAS No: 906673-45-8
Mol. F: C14H10BrNO2
Mol. Wt: 304.14
Inv. Status: Custom Synthesis
4-(Ethylaminomethyl) Pyridine
Cat. No: CL-KSM-0038
CAS No: 33403-97-3
Mol. F: C8H12N
Mol. Wt: 136.19
Inv. Status: Custom Synthesis
4-Amino 3-Nitro Phenol
Cat. No: CL-KSM-0055
CAS No: 610-81-1
Mol. F: C6H6N2O3
Mol. Wt: 154.13
Inv. Status: Custom Synthesis
4-Amino-1-Naphthol Hydrochloride
Cat. No: CL-KSM-0099
CAS No: 5959-56-8
Mol. F: C10H9NO
Mol. Wt: 195.65
Inv. Status: Custom Synthesis
4-Amino-1H-Imidazole-5-Carboxamide Hydrochloride
Cat. No: CL-KSM-0083
CAS No: 72-40-2
Mol. F: C4H7ClN4O
Mol. Wt: 162.58
Inv. Status: Custom Synthesis
4-Amino-2,3-Difluoro-5-Nitrobenzoic Acid
Cat. No: CL-KSM-0005
CAS No: 284030-57-5
Mol. F: C7H4F2N2O4
Mol. Wt: 218.11
Inv. Status: Custom Synthesis
4-Amino-3-Chloroacetophenone
Cat. No: CL-KSM-0044
CAS No: 6953-83-9
Mol. F: NA
Mol. Wt: NA
Inv. Status: Custom Synthesis
4-Bromophthalic Anhydride
Cat. No: CL-KSM-0029
CAS No: 86-90-8
Mol. F: NA
Mol. Wt: NA
Inv. Status: Custom Synthesis
4-Formyl Benzoic Acid
Cat. No: CL-KSM-0076
CAS No: 619-66-9
Mol. F: HO2CC6H4CHO
Mol. Wt: 150.13
Inv. Status: Custom Synthesis
4-Isobutoxybenzylamine Acetate
Cat. No: CL-KSM-0080
CAS No: 955997-89-4
Mol. F: C13H21NO3
Mol. Wt: 239.31
Inv. Status: Custom Synthesis
4-Nitrophenethylamine Hydrochloride
Cat. No: CL-KSM-0096
CAS No: 29968-78-3
Mol. F: C8H10N2O2?HCl
Mol. Wt: 202.64
Inv. Status: Custom Synthesis
4-Phenoxybenzoic acid
Cat. No: CL-KSM-0056
CAS No: 2215-77-2
Mol. F: C13H10O3
Mol. Wt: 214.22
Inv. Status: Custom Synthesis
4-Tert-Butylbenzene Sulfonamide
Cat. No: CL-KSM-0098
CAS No: 6292-59-7
Mol. F: C10H15NO2S
Mol. Wt: 213.3
Inv. Status: Custom Synthesis
5 Chloro-3-Sulfonglamino Methyl Acetate-Thiophene-2- -Carboxylic Acid Methyl Ester
Cat. No: CL-KSM-0011
CAS No: 906522-87-0
Mol. F: C9H10ClNO6S2
Mol. Wt: 327.76
Inv. Status: Custom Synthesis
5,6-Dimethoxy-1-Indanone
Cat. No: CL-KSM-0021
CAS No: 2107-69-9
Mol. F: C11H12O3
Mol. Wt: 192.21
Inv. Status: Custom Synthesis
5-(Chloroacetyl)- Salicylamide
Cat. No: CL-KSM-0063
CAS No: 33254-88-5
Mol. F: C9H8ClNO3
Mol. Wt: 213.62
Inv. Status: Custom Synthesis
5-amino-1-(N-Methyl carbamoyl) Imidazole-4-carboxamide
Cat. No: CL-KSM-0049
CAS No: 188612-53-5
Mol. F: C6H9N5O2
Mol. Wt: 183.16
Inv. Status: Custom Synthesis
5-Bromovaleryl Chloride
Cat. No: CL-KSM-0041
CAS No: 4509-90-4
Mol. F: C5H8BrClO
Mol. Wt: 199.47
Inv. Status: Custom Synthesis
5-Chloro-2-(Methylamino) Benzophenone
Cat. No: CL-KSM-0086
CAS No: 1022-13-5
Mol. F: C14H12ClNO
Mol. Wt: 245.7
Inv. Status: Custom Synthesis
5-Methyl Isoxazole-4-Carboxylic Acid
Cat. No: CL-KSM-0092
CAS No: 42831-50-5
Mol. F: C5H5NO3
Mol. Wt: 127.1
Inv. Status: Custom Synthesis
5-Nitro-2-Methoxy Phenol
Cat. No: CL-KSM-0007
CAS No: 636-93-1
Mol. F: C7H7NO4
Mol. Wt: 169.13
Inv. Status: Custom Synthesis
6-Chloro-N-Methyl Pyrimidin-4-Amine
Cat. No: CL-KSM-0054
CAS No: 65766-32-7
Mol. F: NA
Mol. Wt: NA
Inv. Status: Custom Synthesis
Cyclobutyl Carbinol
Cat. No: CL-KSM-0032
CAS No: 4415-82-1
Mol. F: C5H10O
Mol. Wt: 86.13
Inv. Status: Custom Synthesis
Ethyl 2-Oxopiperidine-3-Carboxylate
Cat. No: CL-KSM-0075
CAS No: 3731-16-6
Mol. F: C13H16N2O2
Mol. Wt: 232.28
Inv. Status: Custom Synthesis
Ethyl 2-[(2,4,5-trimethoxybenzoyl) Amino]-1,3-Thiazole-4-Carboxylate
Cat. No: CL-KSM-0057
CAS No: 185105-98-0
Mol. F: C16H18N2O6S
Mol. Wt: 366.39
Inv. Status: Custom Synthesis
Ethyl 3(5)-Amino-4-Pyrazolecarboxylate
Cat. No: CL-KSM-0068
CAS No: 6994-25-8 / 103259-35-4
Mol. F: C6H9N3O2
Mol. Wt: 155.15
Inv. Status: Custom Synthesis
Glycine Methyl Ester Hydrochloride
Cat. No: CL-KSM-0012
CAS No: 5680-79-5
Mol. F: NH2CH2COOCH3
Mol. Wt: 125.55
Inv. Status: Custom Synthesis
Methyl 2-(Bromomethyl)-3- Nitrobenzoate
Cat. No: CL-KSM-0085
CAS No: 98475-07-1
Mol. F: C9H8BrNO4
Mol. Wt: 274.07
Inv. Status: Custom Synthesis
Methyl 2-Fluoro-4-[(1-Methoxy-2-Methyl-1-Oxo-2-Propanyl) Amino] Benzoate
Cat. No: CL-KSM-0053
CAS No: 1802242-47-2
Mol. F: C13H16FNO4
Mol. Wt: 269.27
Inv. Status: Custom Synthesis
Methyl 2-Methyl-3- Nitrobenzoate
Cat. No: CL-KSM-0084
CAS No: 59382-59-1
Mol. F: C9H9NO4
Mol. Wt: 195.17
Inv. Status: Custom Synthesis
Methyl 3, 5-Dimethoxy Benzoate
Cat. No: CL-KSM-0064
CAS No: 2150-37-0
Mol. F: C10H12O4
Mol. Wt: 196.19
Inv. Status: Custom Synthesis
Methyl 3-amino-5-bromo-2-methyl benzoate
Cat. No: CL-KSM-0077
CAS No: 1000342-11-9
Mol. F: C9H10BrNO
Mol. Wt: 244.08
Inv. Status: Custom Synthesis
Methyl-4-Bromo-2-Fluoro Benzoate
Cat. No: CL-KSM-0052
CAS No: 179232-29-2
Mol. F: C8H6BrFO2
Mol. Wt: 233.03
Inv. Status: Custom Synthesis
Methyl-5-Formyl-2-Methoxy Benzoate
Cat. No: CL-KSM-0097
CAS No: 78515-16-9
Mol. F: C10H10O4
Mol. Wt: 194.18
Inv. Status: Custom Synthesis
Methyl-6-Bromo-2-Naphthoate
Cat. No: CL-KSM-0022
CAS No: 33626-98-1
Mol. F: C12H9BrO2
Mol. Wt: 265.1
Inv. Status: Custom Synthesis
N-(2-Benzoyl-4-Chlorophenyl)-2-Chloro-N-Methylacetamide
Cat. No: CL-KSM-0018
CAS No: 6021-21-2
Mol. F: C16H13Cl2NO2
Mol. Wt: 322.19
Inv. Status: Custom Synthesis
N-(4-Fluorobenzyl)-1-Methylpiperidin-4-Amine
Cat. No: CL-KSM-0081
CAS No: 359878-47-0
Mol. F: C13H19FN2
Mol. Wt: 222.31
Inv. Status: Custom Synthesis
N-Cinnamoyl-3-Methoxyaniline
Cat. No: CL-KSM-0079
CAS No: 127033-74-3
Mol. F: C8H6
Mol. Wt: 102.13
Inv. Status: Custom Synthesis
N-[3-(3-Dimethyl Amino Acryloyl)-Phenyl]-N-Ethyl Acetamide
Cat. No: CL-KSM-0095
CAS No: 96605-66-2
Mol. F: NA
Mol. Wt: NA
Inv. Status: Custom Synthesis
Phenyl Dichlorophosphate
Cat. No: CL-KSM-0071
CAS No: 770-12-7
Mol. F: C6H5OP(O)Cl
Mol. Wt: 210.98
Inv. Status: Custom Synthesis
Propiolic acid
Cat. No: CL-KSM-0040
CAS No: 471-25-0
Mol. F: C3H2O2
Mol. Wt: 70.05
Inv. Status: Custom Synthesis
R (-)-3-Aminopiperidine Dihydrochloride
Cat. No: CL-KSM-0004
CAS No: 334618-23-4
Mol. F: Cl2H2
Mol. Wt: 72.92
Inv. Status: Custom Synthesis
Tropic acid
Cat. No: CL-KSM-0036
CAS No: 552-63-6
Mol. F: C9H10O3
Mol. Wt: 166.17
Inv. Status: Custom Synthesis
Tropine
Cat. No: CL-KSM-0037
CAS No: 120-29-6
Mol. F: C8H15NO
Mol. Wt: 141.21
Inv. Status: Custom Synthesis
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