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

Valsartan Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Des(oxopentyl) Valsartan Methyl Ester-d7 Hydrochloride Stable Isotopes CS-T-97623 Not Available Enquire
Des(oxopentyl) Valsartan-d4 Methyl Ester Hydrochloride Stable Isotopes CS-T-97624 Not Available Enquire
N-(Ethyl-d5)Propan-2-Amine Hydrochloride Stable Isotopes CS-T-102460 153975-44-1(Unlabelled) In Stock
N2-Trityl Valsartan Benzyl Ester-d9 Stable Isotopes CS-T-101134 62459446-33-2(Unlabelled) Enquire
Valsartan Ethyl-d5 Ester Stable Isotopes CS-T-97116 Not Available Enquire
Valsartan Isopropyl-d7 Ester Stable Isotopes CS-T-97114 Not Available Enquire
Valsartan Methyl Ester-d9 Stable Isotopes CS-T-97117 Not Available Enquire
Valsartan-d3 Stable Isotopes CS-O-02693 1331908-02-1 In Stock
Valsartan-d8 Stable Isotopes CS-O-07051 1089736-72-0 In Stock
Valsartan-d8 (racemic mixture) Stable Isotopes CS-O-59609 Not Available Enquire
Valsartan-d9 Stable Isotopes CS-O-02862 1089736-73-1 In Stock
Valsartan-d9 Ethyl Ester Stable Isotopes CS-T-97115 Not Available Enquire
Valsartan-d9 Isoporpyl Ester Stable Isotopes CS-T-97113 Not Available Enquire
N-nitrosoethylisopropyl amine-d12 Stable Isotopes CS-O-40716 Not Available Enquire
Valsartan D4 Stable Isotopes CS-O-32653 1089736-75-3 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sacubitril-valsartan Sodium Hydrate API CS-O-46700 1884447-69-1 Enquire
Sacubitril-Valsartan Trisodium Salt API CS-O-42272 1898188-76-5 Enquire
Valsartan API CS-O-10218 137862-53-4 In Stock
Valsartan Disodium API CS-O-47061 391230-93-6 In Stock
Valsartan Sacubitril Sodium Hemipentahydrate Salt API CS-O-13857 936623-90-4 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxy Valsartan Metabolite CS-O-08397 188259-69-0 In Stock
Valsartan Desvaleryl Impurity Metabolite CS-O-15359 676129-92-3 In Stock
Valsartan Methyl Ester Metabolite CS-O-10333 137863-17-3 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-(azidomethyl)-[1,1'-biphenyl]-2-carbonitrile Impurity CS-O-45389 Not Available Enquire
4-(Azidomethyl)-[1,1-Biphenyl]-2-Metanoic Acid Impurity CS-O-42086 2710224-40-9 In Stock
Des(oxopentyl) Valsartan Benzyl Ester Impurity CS-T-15630 676129-93-4 In Stock
D-Valsartan methyl ester Impurity CS-O-56876 137863-48-0 Enquire
Isoleucine Valsartan Impurity CS-T-29809 137862-78-3 In Stock
N-((1S)-1-carboxy-2-methyl propyl)-N,N-bis[(2'-cyanobiphenyl... Impurity CS-O-44006 Not Available Enquire
N-(1-Oxopropyl)-N-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-y... Impurity CS-O-52273 1332623-79-6 In Stock
N-[(2'-Cyano[1,1'-biphenyl]-4-yl)methyl]-N-(1-oxopentyl)-L-v... Impurity CS-T-89375 137863-90-2 In Stock
N1-Trityl Valsartan Impurity CS-O-08381 783369-52-8 In Stock
Racemic mixture of Valsartan and valsartan related compound ... Impurity CS-O-52488 137862-53-4 + 137862-87-4 Enquire
Sacubitril Propyl Ester Impurity CS-O-40925 2751722-76-4 In Stock
Valsartan Acid Ethyl Ester Impurity CS-O-08389 1111177-30-0 In Stock
Valsartan Acid Isopropyl Ester Impurity CS-O-08390 1245820-09-0 In Stock
Valsartan Azide impurity Impurity CS-O-36339 Not Available Enquire
Valsartan Desvaleryl Methyl Ester Impurity CS-O-08380 1111177-24-2 In Stock
Valsartan Desvaleryl Methyl Ester Impurity CS-EO-04004 783369-50-6 In Stock
Valsartan Dimer Impurity Impurity CS-O-36203 1353844-77-5 In Stock
Valsartan EP Impurity A Impurity CS-O-08393 137862-87-4 In Stock
Valsartan EP Impurity B Impurity CS-O-08395 137863-20-8 In Stock
Valsartan EP Impurity C Impurity CS-O-08394 952652-79-8 In Stock
Valsartan formyl impurity Impurity CS-O-34048 1418314-03-0 In Stock
Valsartan Impurity 21 Impurity CS-O-31532 137863-89-9 In Stock
Valsartan Impurity 37 Impurity CS-O-58828 1353844-75-3 Enquire
Valsartan L-Luceine Impurity CS-EO-03078 137863-55-9 Enquire
Valsartan Nitraso impurity -21 (Mixture of isomers) Impurity CS-O-43117 ---- In Stock
Valsartan N-Oxide 2 Impurity CS-EO-02160 Not Available Enquire
Valsartan Racemic Mixture Impurity CS-O-58637 943333-68-4 Enquire
4-(4-Bromomethylphenyl)benzonitrile Impurity CS-O-40092 50670-51-4 Enquire
4-(Bromomethyl)biphenyl Impurity CS-T-08502 2567-29-5 Enquire
4'-Formylbiphenyl-2-carbonitrile Impurity CS-T-24669 135689-93-9 Enquire
5-(4'-(Azidomethyl)-[1,1'-biphenyl]-2-yl)-1-trityl-1H-tetraz... Impurity CS-O-40506 124806-66-2 Enquire
Alanine Valsartan Impurity CS-T-01503 137862-57-8 Enquire
N1-Trityl Valsartan (R-Isomer) Impurity CS-O-08383 Not Available Enquire
N2-Trityl Valsartan Impurity CS-O-08384 195435-23-5 Enquire
N2-Trityl Valsartan Benzyl Ester Impurity CS-O-08385 Not Available Enquire
N2-Trityl Valsartan R-Isomer Impurity CS-O-08386 Not Available Enquire
rac-Valsartan Ethyl Ester Impurity CS-P-08818 1894176-41-0 Enquire
Trityl valsartan methyl ester Impurity CS-O-45535 781664-81-1 Enquire
Valsartan Decarboxylic Acid Impurity CS-EO-00126 1314799-74-0 Enquire
Valsartan Ditetrazole Impurity Impurity CS-EO-00625 Not Available Enquire
Valsartan Impurity 18 Impurity CS-EO-01693 443093-86-5 Enquire
Valsartan Impurity 22 Impurity CS-P-08373 1314799-75-1 Enquire
Valsartan Impurity 23 Impurity CS-EO-01459 2459446-44-5 Enquire
Valsartan Methyl Ester N2-Trityl Analog Impurity CS-O-15355 883223-10-7 Enquire
Valsartan N-Oxide- 1 Impurity CS-EO-00125 Not Available Enquire
Valsartan n-Propyl Impurity Benzyl Ester Impurity CS-T-87968 1798904-61-6 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Methylbiphenyl Intermediate CS-AC-12166 644-08-6 In Stock
L-Valine methyl ester Hydrochloride Intermediate CS-O-31534 6306-52-1 In Stock
L-Valine,N-[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]-, methyl e... Intermediate CS-O-32349 482577-59-3 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4,4′-Bis(bromomethyl)biphenyl Glucuronide CS-BX-00981 20248-86-6 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Ethylisopropylamine Fine Chemicals CS-T-22929 19961-27-4 Enquire
N-Ethylisopropylamine Hydrochloride Fine Chemicals CS-O-57245 153975-44-1 Enquire
4-[2-(2H-Tetrazol-5-yl)phenyl]benzoic acid Fine Chemicals CS-ZH-00791 164265-78-5 Enquire
5-(4'-(dibromomethyl)-[1,1'-biphenyl]-2-yl)-1H-tetrazole Fine Chemicals CS-O-36337 1127249-17-5 Enquire
N-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)pentan... Fine Chemicals CS-O-36202 914465-68-2 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Nitroso Valsartan-II Nitrosamine CS-O-53224 ---- Enquire
N-Nitroso N-Devaleryl Valsartan methyl ester Impurity (mixtu... Nitrosamine CS-O-35829 Not Available In Stock
N-Nitroso Sacubitril Valsartan Nitrosamine CS-O-44588 Not Available Enquire
N-Nitroso TrtylValsartan Desvaleryl Methyl Ester (Mixture of... Nitrosamine CS-O-52963 Not Available In Stock
N-Nitroso Valsartan 2-tetrazol impurity Nitrosamine CS-O-33517 Not Available Enquire
N-Nitroso Valsartan Benzyl ester Nitrosamine CS-O-53225 ---- Enquire
N-Nitroso Valsartan Cyano Desvaleryl Methyl Ester (Mixture o... Nitrosamine CS-O-55982 ---- In Stock
N-nitroso Valsartan Desvaleryl Impurity Nitrosamine CS-O-33514 2254485-68-0 In Stock
N-Nitroso Valsartan Impurity 2 Nitrosamine CS-EO-00596 ---- Enquire
N-Nitroso Valsartan Impurity 52 Nitrosamine CS-O-58525 ---- Enquire
N-Nitroso-Desvaleryl-valsartan cyano impurity Nitrosamine CS-O-52319 2407652-86-0 In Stock
N-Nitrosodiisopropylamine Nitrosamine CS-T-59620 601-77-4 In Stock
N-Nitrosodipropylamine Nitrosamine CS-T-37212 621-64-7 In Stock
N-Nitroso-N-methyl-4-aminobutyric Acid Nitrosamine CS-T-37244 61445-55-4 In Stock
N,N-dinitroso Valsartan Desvaleryl Impurity Nitrosamine CS-O-33515 Not Available Enquire
N-nitroso(tetrazole) Valsartan Desvaleryl Impurity Nitrosamine CS-O-33516 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Valsartan Secondary Standards CS-SS-24323-1GM 137862-53-4 Enquire
Valsartan Secondary Standards CS-ER-03048 137862-53-4 Enquire
Valsartan EP Impurity C Secondary Standards CS-SS-26673 952652-79-8 Enquire
Valsartan Related Compound A Secondary Standards CS-SS-24809-30MG 137862-87-4 Enquire
Valsartan Related Compound B Secondary Standards CS-SS-24810-30MG 952652-79-8 Enquire
Valsartan Related Compound C Secondary Standards CS-SS-24811-30MG Not Available Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitrosodi-Isopropyl-d14 Amine Stable Isotope Reagent CS-C-01603 2975202-11-8 In Stock


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso-N-methyl-4-aminobutyric Acid Analytical Standard CS-T-37244-10MG 61445-55-4 Enquire
N-nitroso-N-methyl-4-aminobutyric acid (NMBA)-100 PPM in Ace... Analytical Standard CS-T-37244-1.5ML 61445-55-4 Enquire