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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Indazole, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Indazole 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 Indazole-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.

Indazole Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trideuter... Stable Isotopes CS-O-53750 2866168-44-5 Enquire
N,​N-​Diethyl-​1,​3-​dihydro-​α-​methyl-​3-​oxo-​1-​phenyl-2... Stable Isotopes CS-T-100458 Not Available Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(E)-6-Iodo-3-[2-(pyridin-2-yl)ethenyl]-1-(tetrahydro-2H-pyra... Impurity CS-T-93485 886230-77-9 In Stock
(R)-methyl 2-amino-3-(7-methyl-1H-indazol-5-yl)propanoate Impurity CS-O-46715 890044-58-3 Enquire
1H-INDAZOLE, 1,3-DIMETHYL-6-NITRO- Impurity CS-ZE-30424 1354224-47-7 In Stock
1H-Indazole-3-carboxylic acid Impurity CS-M-16725 4498-67-3 In Stock
6-Iodo-1H-indazole Impurity CS-AC-09708 261953-36-0 In Stock
tert-butyl 7-amino-3-bromo-1H-indazole-1-carboxylate Impurity CS-EO-02155 1610362-70-3 Enquire
1-((4-(4-fluorophenyl)piperazin-1-yl)methyl)-5-nitro-1H-inda... Impurity CS-O-38778 727692-55-9 Enquire
1-Acetyl-6-iodo-1H-indazole Impurity CS-O-40131 850363-52-9 Enquire
1-Methyl-1H-indazole-3-carboxylic Acid Anhydride Impurity CS-T-58293 1363173-34-5 Enquire
6-nitro-3-(2-(pyridin-2-yl)vinyl)-1-(tetrahydro-2H-pyran-2-y... Impurity CS-O-31815 886230-75-7 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1H-Indazole-7-carbaldehyde Intermediate CS-AC-01667 312746-72-8 In Stock
3-Bromo-6-methyl-1H-indazole Intermediate CS-O-49626 40598-73-0 Enquire
4,5-Dichloro-1H-indazole Intermediate CS-O-57720 1020243-02-0 Enquire
Methyl 5,6-dimethoxy-1H-indazole-3-acetate Intermediate CS-ED-41872 183315-95-9 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Amino-2,3-dimethyl-2H-indazole Fine Chemicals CS-EL-01205 444731-72-0 In Stock
6-Bromo-5-fluoro-1H-indazole Fine Chemicals CS-ED-42029 1286734-85-7 Enquire
6-Iodoindazole Fine Chemicals CS-M-51976 261953-36-0 In Stock
6-Amino-3-methylindazole Fine Chemicals CS-MM-23179 79173-62-9 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-nitroso-1H-indazole-3-carboxylic acid Nitrosamine CS-O-39902 Not Available Enquire
5-Nitro-1H-indazole-3-carboxylic acid Nitrosamine CS-O-54777 78155-76-7 Enquire


Heterocyclic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-hydrazinoindazole Heterocyclic CS-ED-42025 91120-34-2 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Methyl-1H-indazole-3-carbonyl Chloride Building Blocks CS-T-94060 106649-02-9 Enquire
3-Methyl-7-nitro-1H-indazole Building Blocks CS-O-36821 101420-66-0 Enquire