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

Tolvaptan Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Dehydro Tolvaptan-d7 Stable Isotopes CS-T-100549 1296212-29-7 Enquire
Tolvaptan 2-Methylphenyl Impurity-d7 Stable Isotopes CS-O-48864 Not Available In Stock
Tolvaptan-d7 Stable Isotopes CS-O-02900 1246818-18-7 In Stock
Tolvaptan 13C6 Stable Isotopes CS-EK-02180 150683-30-0 unlabeled Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tolvaptan API CS-O-31027 150683-30-0 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tolvaptan (Metabolite: DM-4103) Metabolite CS-O-33225 Not Available Enquire
Tolvaptan (Metabolite: DM-4107) Metabolite CS-O-33226 Not Available Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-(+)-Tolvaptan Impurity CS-T-44605 331947-66-1 In Stock
1,2,3,4-Tetrahydrobenzoazepine-5-one Impurity CS-O-31938 1127-74-8 In Stock
2-Desmethyl-4-methyl Tolvaptan Impurity CS-T-88277 1580889-25-3 In Stock
2-Desmethylbenzaldehyde Tolvaptan Impurity CS-T-90842 1432725-24-0 In Stock
5-Dehydro Tolvaptan Impurity CS-T-15004 137973-76-3 In Stock
7,9-Dichloro-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one Impurity CS-O-47934 1492322-13-0 Enquire
7-Chloro-2,3,4,5-tetrahydro-1H-1-benzazepin-5-ol Impurity A046307-25GM 1310357-40-4 In Stock
Rac-Trans-4-Hydroxy Tolvaptan Impurity CS-O-56797 926035-34-9 Enquire
Tolvaptan chloro Impurity Impurity CS-O-60287 ---- Enquire
Tolvaptan Impurity 12 Impurity CS-O-54849 137982-91-3 Enquire
Tolvaptan Impurity 3 (DM-4104) Impurity CS-O-56533 1587638-01-4 Enquire
Tolvaptan Impurity 32 Impurity CS-O-56537 30459-70-2 Enquire
Tolvaptan Impurity 37 Impurity CS-O-56538 1863916-82-8 Enquire
Tolvaptan Impurity 4 (DM-4105) Impurity CS-O-56535 1587638-02-5 Enquire
Tolvaptan Impurity 47 Impurity CS-O-54846 247237-38-3 Enquire
Tolvaptan Impurity 54 Impurity CS-SN-00195 150683-27-5 Enquire
Tolvaptan Impurity 63 Impurity CS-O-59050 ---- Enquire
Tolvaptan N,O-di(2-methylbenzamido) impurity Impurity CS-O-48982 Not Available Enquire
Tolvaptan N-2-methylbenzamido impurity Impurity CS-O-48981 2458812-60-5 Enquire
Tolvaptan N-Alkyl dimer Impurity CS-O-48980 2657689-28-4 Enquire
(S)-(-)-Tolvaptan Impurity CS-T-44606 331947-44-5 Enquire
7-Bromo Tolvaptan Impurity CS-O-52437 2921676-63-1 Enquire
7-Bromo Tolvaptan Impurity CS-O-34015 2921676-63-1 Enquire
Des-2-methylbenzoyl Tolvaptan Impurity CS-EO-00193 1580889-33-3 Enquire
DesChloro Tolvaptan Impurity CS-EO-00192 1432725-23-9 Enquire
Tolvaptan Impurity 31 Impurity CS-SN-00147 2376909-00-9 Enquire
Tolvaptan Impurity 44 Impurity CS-O-35393 2468638-31-3 Enquire
Tolvaptan γ-Hydroxybutanoic Acid Impurity Impurity CS-T-86653 1346599-75-4 Enquire
Tolvaptan γ-oxobutanoic acid impurity Impurity CS-T-86904 1346599-56-1 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Methyl-4-nitrobenzoic Acid Intermediate CS-T-34269 1975-51-5 In Stock
7-Chloro-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one Intermediate CS-M-56078 160129-45-3 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-desmethyl benzoyl 5-oxo Tolvaptan impurity Fine Chemicals CS-O-54848 ---- Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Tolvaptan Impurity 41 Nitrosamine CS-O-56818 ---- In Stock
Tolvaptan Nitroso Impurity 1 Nitrosamine CS-O-38500 ---- In Stock
Tolvaptan Nitroso Impurity 3 Nitrosamine CS-O-56821 ---- In Stock


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tolvaptan-d7-AR Grade Analytical Standard CS-O-02900-10MG 1246818-18-7 Enquire
Tolvaptan-d7-AR Grade-10 ppm/ACN Analytical Standard CS-O-02900-1ML 1246818-18-7 Enquire