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

Niraparib Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Niraparib 13C6 Stable Isotopes CS-O-53017 1038915-60-4(Unlabelled) Enquire
Niraparib-13C6 Hydrochloride Stable Isotopes CS-EO-02440 Not Available Enquire
Niraparib-D5 Major, >90% Stable Isotopes CS-T-95293 1038915-60-4 (Unlabelled) Enquire
rac-Niraparib Acid-d4 Triflate Salt Stable Isotopes CS-O-44777 Not Available Enquire
rac-Niraparib-d4 Tosylate Salt Stable Isotopes CS-AI-00225 2247259-52-3 (Freebase) Enquire
Niraparib D4 Stable Isotopes CS-T-93792 1038915-60-4 (Unlabeled) Enquire
Niraparib Metabolite M1-D4 Stable Isotopes CS-CX-00650 1476777-06-6 (Unlabeled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Niraparib API CS-AN-00269 1038915-60-4 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Niraparib M10 Metabolite (Isomer 2) Metabolite CS-O-36375 Not Available Enquire
Niraparib M10 Metabolite (Isomer 3) Metabolite CS-O-36376 Not Available Enquire
Niraparib Metabolite M1 Metabolite CS-EK-02286 1476777-06-6 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S)-2-(4-Bromophenyl)-1,5-pentanediol Impurity CS-O-54693 2180154-00-9 Enquire
(2S)-2-(4-bromophenyl)-5-[(methylsulfonyl)oxy]pentyl methane... Impurity CS-O-54695 2180154-01-0 Enquire
(2S)-2-(4-bromophenyl)-5-hydroxypentyl methanesulfonate Impurity CS-O-54699 ---- Enquire
(4S)-4-(4-bromophenyl)-5-hydroxypentyl methanesulfonate Impurity CS-O-54698 ---- Enquire
(4S)-5-amino-4-(4-bromophenyl)pentyl methanesulfonate Impurity CS-O-54696 ---- Enquire
(R)-3-(4-Bromophenyl)piperidine Impurity CS-O-54694 1336754-69-8 Enquire
(R)-Niraparib Tosylate Monohydrate Impurity CS-O-60073 2248017-46-9 Enquire
Niraparib Acid Impurity Impurity CS-O-58941 2086267-12-9 Enquire
Niraparib BOC Impurity Impurity CS-O-49315 1038916-11-8 Enquire
Niraparib Impurity 62 Impurity CS-O-57534 93247-79-1 Enquire
Niraparib regio isomer Impurity CS-O-57374 ---- Enquire
rac-Niraparib Impurity CS-O-60074 1038915-75-1 Enquire
R-Niraparib Impurity CS-ED-32287 1038915-58-0 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Methyl 3-Methyl-2-nitrobenzoate Intermediate CS-O-10817 5471-82-9 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Niraparib Carboxylic Acid Glucuronide Glucuronide CS-EO-03033 Not Available Enquire
Niraparib M10 Metabolite (Isomer 1/ N-Glucuronide) Glucuronide CS-O-36374 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Niraparib tosylate monohydrate Fine Chemicals CS-ED-01848 1613220-15-7 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Niraparib Nitrosamine CS-EO-03971 Not Available In Stock
rac-Niraparib Nitroso Impurity 2 Nitrosamine CS-O-59484 ---- Enquire
rac-Niraparib Nitroso Impurity 3 Nitrosamine CS-O-59486 ---- Enquire