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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Benzisoxazole, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Benzisoxazole impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Benzisoxazole-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Benzisoxazole Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Methyl-1,2-benzisoxazole-d4 Stable Isotopes CS-T-82181 1189967-37-0 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Benzisoxazole API Standards CS-O-30870 271-58-9 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"3-(4-Piperidinyl)-1,2-benzisoxazole N-Carbamic Acid Phenyl ... Impurities CS-T-40120 84163-21-3 Enquire
"3-(Dibromomethyl)-1,2-benzisoxazole" Impurities CS-T-52523 867040-02-6 Enquire
"5-bromo-3-methyl-1,2-benzisoxazole" Impurities CS-DV-03054 66033-76-9 Enquire
"6-Methoxy-3-(4-piperidinyl)-1,2-benzisoxazole Hydrobromide" Impurities CS-T-32841 84163-17-7 Enquire
"6-Methoxy-3-[4-(N-benzyloxycarbonyl)piperidinyl]-1,2-benzis... Impurities CS-T-32255 84163-07-5 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"1,2-Benzisoxazole-3-Acetic Acid" Intermediates CS-O-30840 4865-84-3 Enquire
"1,2-Benzisoxazole-3-Methanesulfonamide" Intermediates CS-O-30842 68291-97-4 Enquire
"2,1-Benzisoxazole-3-carboxylic acid" Intermediates CS-AC-08094 642-91-1 Enquire
"3-(4-chlorophenyl)-2,1-benzisoxazole-5-carbaldehyde oxime" Intermediates CS-EL-19858 344276-67-1 Enquire
"3-(4-chlorophenyl)-2,1-benzisoxazole-5-carbonitrile" Intermediates CS-EL-07685 344276-72-8 Enquire
"3-(4-chlorophenyl)-4,5,6,7-tetrahydro-2,1-benzisoxazole" Intermediates CS-EL-11408 61054-28-2 Enquire
"3-(4-chlorophenyl)-5-(2-methyl-1,3-dioxolan-2-yl)-2,1-benzi... Intermediates CS-EL-12569 327041-41-8 Enquire
"3-(4-Piperidinyl)-1,2-benzisoxazole Hydrochloride" Intermediates CS-T-40119 84163-22-4 Enquire
"3-Amino-4-methoxy-1,2-benzisoxazole" Intermediates CS-EL-04149 177995-40-3 Enquire
"3-Amino-5-nitro-1,2-benzisoxazole" Intermediates CS-M-55195 89793-82-8 Enquire
"3-Piperazin-1-yl-1,2-benzisoxazole" Intermediates CS-M-43123 87691-89-2 Enquire
"5-Bromo-1,2-benzisoxazole" Intermediates CS-M-54995 837392-65-1 Enquire
"5-Chloro-3-phenyl-2,1-benzisoxazole" Intermediates CS-T-12274 719-64-2 Enquire
"6-Bromo-1,2-benzisoxazole" Intermediates CS-M-57226 1060802-88-1 Enquire
"7-bromo-1,2-benzisoxazole" Intermediates CS-EM-03550 1260751-81-2 Enquire
1,2-Benzisoxazole-3-methanesulfonic acid sodium salt Intermediates CS-O-30841 73101-64-1 In Stock
3-(Bromomethyl)-1,2-benzisoxazole Intermediates CS-T-08493 37924-85-9 Enquire
3-Amino-1,2-benzisoxazole-6-carbonitrile Intermediates CS-M-55066 229623-53-4 Enquire
3-Amino-1,2-benzisoxazole-6-methanamine Intermediates CS-ED-40260 368426-78-2 Enquire
3-Chloro-1,2-benzisoxazole Intermediates CS-T-68969 16263-52-8 Enquire
3-Hydroxy-6-methoxy-1,2-benzisoxazole Intermediates CS-ED-21325 89942-57-4 Enquire
3-Methyl-1,2-benzisoxazole Intermediates CS-T-57985 4825-75-6 Enquire
4-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole Hydrochloride Intermediates CS-T-77976 95742-19-1 Enquire
5-chloro-3-(2-chlorophenyl)-2,1-benzisoxazole Intermediates CS-DV-03097 77792-52-0 Enquire
5-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole Hydrochloride Intermediates CS-T-24324 84163-16-6 Enquire
6-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-3-(4-pi... Intermediates CS-T-76500 531524-17-1 Enquire
6-Fluoro-3-(4-Piperidinyl)-1,2-Benzisoxazole Hydrochloride Intermediates CS-O-31452 84163-13-3 Enquire
6-methoxy-3-methyl-1,2-benzisoxazole Intermediates CS-DV-03301 73344-39-5 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,2-Benzisoxazole-3-carboxamide Building Blocks CS-O-56925 52046-80-7 In Stock
1,2-Benzisoxazole-5-carboxylic Acid Building Blocks CS-TA-26212 933744-95-7 Enquire