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

Olmesartan Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethyl Olmesartan Medoxomil-d4 Stable Isotopes CS-T-101396 Not Available Enquire
n-Butyl Olmesartan Medoxomil-d6 Stable Isotopes CS-T-101742 Not Available Enquire
N-Trityl Olmesartan-d4 Ethyl Ester Stable Isotopes CS-T-101993 Not Available Enquire
N-Trityl Olmesartan-d6 Ethyl Ester Stable Isotopes CS-T-101994 1185010-86-9 In Stock
Olmesartan-d4 Stable Isotopes CS-O-06829 1420880-41-6 In Stock
Olmesartan-d6 acid Stable Isotopes CS-T-59932 1185144-74-4 In Stock
Trityl Olmesartan-d6 Medoxomil Stable Isotopes CS-T-96773 Not Available Enquire
Olmesartan Medoxomil D6 Stable Isotopes CS-T-59933 1127298-67-2 Enquire
Olmesartan-d4 Medoxomil Stable Isotopes CS-T-83734 1127298-55-8 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Olmesartan Medoxomil API CS-O-02013 144689-63-4 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Olmesartan Acid Metabolite CS-O-05965 144689-24-7 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Propyl-1H-imidazol -4,5-dicarboxylic acid  4,5-diethyl est... Impurity CS-T-18254 144689-94-1 In Stock
4-chloro-4-methyl-5-methylene-1,3-dioxolan-2-one Impurity CS-O-15174 95579-71-8 In Stock
Candesartan Bromo N1-Trityl Impurity Impurity CS-O-07474 124750-51-2 In Stock
Dehydro Olmesartan Impurity CS-T-14958 172875-98-8 In Stock
Ethyl analogue of trityl Olmesartan medoxomil Impurity CS-O-34793 1378863-72-9 Enquire
Ethyl Olmesartan Medoxomil Impurity CS-T-23061 1378863-74-1 In Stock
Methoxy impurity of Trityl Olmesartan Medoxomil Impurity CS-O-49707 1040405-56-8 Enquire
N1-Nitrosamine Olmesartan Medoxomil Impurity CS-O-44026 Not Available Enquire
N-Trityl Olmesartan Ethyl Ester (5-(2-hydroxypropan-2-yl)-te... Impurity CS-O-54477 2762114-23-6 Enquire
Olmesartan Dimer Ester Impurity 1 Impurity CS-O-20012 1040250-19-8 In Stock
Olmesartan Dimer Impurity Impurity CS-EO-02751 1454571-97-1 Enquire
Olmesartan dimer impurity 2 Impurity CS-O-54712 ---- Enquire
Olmesartan EP Impurity C Impurity CS-T-51788 879562-26-2 In Stock
Olmesartan Impurity 34 Impurity CS-EO-02773 Not Available Enquire
Olmesartan Medoxomil EP Impurity B Impurity CS-T-38010 849206-43-5 In Stock
Olmesartan Medoxomil EP Impurity C (1-methylethyl) Impurity CS-O-45138 Not Available Enquire
Olmesartan Medoxomil EP Impurity D Impurity CS-T-62583 1020157-01-0 In Stock
Olmesartan Medoxomil Ester Dimer Impurity CS-O-45064 1418133-31-9 Enquire
Olmesartan Medoxomil Impurity E Impurity CS-EO-03734 1114761-92-0 Enquire
Olmesartan medoxomil methyl ether Impurity CS-O-01444 896419-17-3 In Stock
Olmesartan Medoxomil N-Oxide Impurity CS-O-47522 Not Available Enquire
Olmesartan N2-Trityl Impurity Impurity CS-T-62582 752179-89-8 In Stock
2,2'-(2-propyl-1H-imidazole-4,5-diyl)bis(propan-2-ol) Impurity CS-O-35507 2190488-06-1 Enquire
4-(1-hydroxy-1-methylethyl)-2-propyl-1-[[2'[2-(triphenylmeth... Impurity CS-O-35433 Not Available Enquire
4-(1-Methoxy-1-methylethyl)-2-propyl-1H-imidazole-5-carboxyl... Impurity CS-T-32516 1092980-84-1 Enquire
4-(1-Methylethenyl)-2-propyl-1H-imidazole-5-carboxylic Acid ... Impurity CS-T-33825 157356-73-5 Enquire
4-(dichloromethyl)-5-methyl-1,3-dioxol-2-one Impurity CS-O-35509 Not Available Enquire
4’-(azidobromomethyl)-[1,1’-biphenyl]-2-carboxylic acid Impurity CS-O-41168 Not Available Enquire
azide impurity of Olmesartan Impurity CS-O-40911 Not Available Enquire
Butyl analogue of trityl Olmesartan medoxomil Impurity CS-O-34794 Not Available Enquire
Cis-4,5-dichloro-4,5-dimethyl-1,3-dioxolan-2-one Impurity CS-O-15099 116857-04-6 Enquire
Dehydro N2-Triphenylmethyl Olmesartan Impurity CS-T-73154 1797891-24-7 Enquire
Dehydro Olmesartan-2-trityl Medoxomil Impurity CS-T-73888 1391052-99-5 Enquire
Ethyl 4-(2-hydroxybutan-2-yl)-2-propyl-1H-imidazole-5-carbox... Impurity CS-T-74886 172875-53-5 Enquire
ethyl 5-(prop-1-en-2-yl)-2-propyl-1H-imidazole-4-carboxylate Impurity CS-O-35508 Not Available Enquire
ethyl 5-acetyl-2-propyl-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[... Impurity CS-O-35510 2101308-73-8 Enquire
Irbesartan Impurity 20 Impurity CS-K-00260 143618-44-4 Enquire
N-1 Trityl Ethyl Methyl Olmesartan Impurity CS-O-34369 1378863-72-9 Enquire
N-alkylated Olmesartan Impurity CS-CY-00038 Not Available Enquire
n-Butyl Olmesartan Medoxomil Impurity CS-T-50147 144689-78-1 Enquire
N-Trityl Olmesartan Ethyl Ester Impurity CS-T-62584 172875-59-1 Enquire
Olmesartan Anhydro Acid Ethyl Ester Impurity CS-O-15206 Not Available Enquire
Olmesartan Dimer Impurity CS-EO-00146 Not Available Enquire
Olmesartan Dimer Ester Impurity 2 Impurity CS-O-14822 Not Available Enquire
Olmesartan Ethyl Ester Impurity CS-O-15205 144689-23-6 Enquire
Olmesartan Ethyl Ester Trityl Impurity Impurity CS-DO-00006 144690-33-5 Enquire
Olmesartan Impurity 23 Impurity CS-EO-01884 2243064-11-9 Enquire
Olmesartan Medoxomil Impurity 1 Impurity CS-EO-01620 1392475-91-0 Enquire
Olmesartan Medoxomil Impurity G Impurity CS-EO-00461 761404-82-4 Enquire
Olmesartan Methyl Ester Impurity CS-T-38011 1347262-29-6 Enquire
Olmesartan Methyl Ketone Impurity CS-T-38008 1227626-45-0 Enquire
Olmesartan N1-Trityl Impurity Impurity CS-O-32639 761404-85-7 Enquire
O-Methyl Ether Olmesartan Acid Impurity CS-T-33715 1039762-40-7 Enquire
OMJ2 dehydro Impurity Impurity CS-O-34370 1227626-51-8 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethyl 4-(1-hydroxy-1-methylethyl)-2-propyl-imidazole-5-carbo... Intermediate CS-T-27831 144689-93-0 In Stock
TritylOlmesartan Medoxomil Intermediate CS-DO-00009 144690-92-6 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Olmesartan Acid-β-D-Glucuronide Glucuronide CS-T-59934 369395-57-3 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4,5-Bis(chloromethyl)-1,3-dioxol-2-one Fine Chemicals CS-T-66970 1443544-27-1 Enquire
5-(4'-(Bromomethyl)-[1,1'-biphenyl]-2-YL)-2H-tetrazole Fine Chemicals CS-ZH-22444 138402-33-2 Enquire
Trityl azide Fine Chemicals CS-MM-79321 14309-25-2 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-nitroso-2-propyl-1H-imidazole-4,5-dicarbonitrile Nitrosamine CS-O-54894 ---- Enquire
2-methoxy-1-nitroso-2-propyl-2,3-dihydro-1H-imidazole-4,5-di... Nitrosamine CS-O-54892 ---- Enquire
Nitroso Olmesartan Nitrosamine CS-EO-03087 Not Available Enquire
N-Nitroso Olmesartan Impurity Nitrosamine CS-EO-02694 Not Available Enquire
N-Nitroso Olmesartan Intermediate 1 Nitrosamine CS-O-39954 Not Available Enquire
Olmesartan N,N-Dinitroso impurity Nitrosamine CS-O-54893 ---- Enquire
Olmesartan Nitroso Impurity 1 Nitrosamine CS-EO-01996 Not Available Enquire
N-Nitroso Olmesartan Nitrosamine CS-O-38888 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Olmesartan Medoxomil Secondary Standards CS-SS-24790-200MG 144689-63-4 Enquire
Olmesartan Medoxomil Related Compound A Secondary Standards CS-SS-24942-40MG 849206-43-5 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-chloromethyl-5-methyl-1,3-Dioxol-2-one Building Blocks CS-O-31596 80841-78-7 In Stock