N-Desmethyl Dibenzimidazole

SZ CAT No:	SZ-T006019
CAS No	884330-09-0
Mol.F.	C18H18N4
Mol.Wt.	290.1
Inv. Status	Custom Synthesis

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Chemical Name: 7-Methyl-2-propyl-2,5-bi-1H-benzimidazole

Synonym: Dibenzimidazole N-Desmethyl Impurity

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: CC1=C(N=C(CCC)N2)C2=CC(C3=NC4=CC=CC=C4N3)=C1

Detection, isolation and characterization of principle synthetic route indicative impurity in telmisartan
V.Srinivasan, H.Sivaramakrishnan, B.Karthikeyan
Arabian Journal of Chemistry Volume 9, Supplement 2, November 2016, Pages S1516-S1522

Quality-by-design approach for the development of telmisartan potassium tablets
Ga-Hui Oh, Jin-Hyun Park, Hye-Won Shin, Joo-Eun Kim, Young-Joon Park
Drug Dev Ind Pharm. 2018 May;44(5):837-848.

An Efficient and Impurity-Free Process for Telmisartan: An Antihypertensive Drug
Kikkuru Srirami Reddy, Neti Srinivasan, Chinta Raveendra Reddy, Naveenkumar Kolla, Yerremilli Anjaneyulu, Sundaram Venkatraman, Apurba Bhattacharya, and Vijayavitthal T. Mathad
Org. Process Res. Dev. 2007, 11, 1, 81–85

Simultaneous determination of Telmisartan impurities and Chlorthalidone impurities by UPLC
B. Marineni, T. Sreenivasulu Reddy
International Journal of Pharmaceutical Sciences Review and Research 26(2):226-230

N-Desmethyl Dibenzimidazole is chemically 7-Methyl-2-propyl-2,5-bi-1H-benzimidazole. It is also known as Dibenzimidazole N-Desmethyl Impurity. N-Desmethyl Dibenzimidazole is supplied with detailed characterization data compliant with regulatory guideline. N-Desmethyl Dibenzimidazole can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Telmisartan.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

SZ CAT No:	: SZ-T006002
CAS No	: 152628-02-9
Mol.F.	: C19H20N4
Mol.Wt.	: 304.4
Inv. Status	: In Stock
Rel. CAS No	: 1282554-35-1 (hydrate)

SZ CAT No:	: SZ-T006009
CAS No	: 528560-93-2
Mol.F.	: C34H32N4O2
Mol.Wt.	: 528.6
Inv. Status	: In Stock
Rel. CAS No	: Telmisartan Methyl Ester

SZ CAT No:	: SZ-T006026
CAS No	: 25148-68-9
Mol.F.	: C7H10N2 : 2(HCl)
Mol.Wt.	: 122.2 : 2(36.5)
Inv. Status	: In Stock, 3-4 days for Dispatch
Rel. CAS No	: 4760-34-3 (free base)

SZ CAT No:	: SZ-T006042
CAS No	: 2763750-28-1
Mol.F.	: C14H12N4O
Mol.Wt.	: 252.3
Inv. Status	: In Stock
Rel. CAT No	: SZ-O006053 , SZ-L028056 ,

SZ CAT No:	: SZ-T006043
CAS No	: 2758005-15-9
Mol.F.	: C14H11N3O2
Mol.Wt.	: 253.3
Inv. Status	: In Stock
Rel. CAT No	: SZ-I009024 , SZ-L028044 , SZ-O006054 ,

N-Desmethyl Dibenzimidazole

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SZ CAT No:	: SZ-T006001
CAS No	: 144701-48-4
Mol.F.	: C33H30N4O2
Mol.Wt.	: 514.6
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006003
CAS No	: 1026353-20-7
Mol.F.	: C33H30N4O2
Mol.Wt.	: 514.6
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006004
CAS No	: 144702-26-1
Mol.F.	: C37H38N4O2
Mol.Wt.	: 570.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006005
CAS No	: 884330-12-5
Mol.F.	: C26H24N2O4
Mol.Wt.	: 428.5
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006006
CAS No	: 915124-86-6
Mol.F.	: C33H31N5O
Mol.Wt.	: 513.6
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006007
CAS No	: 144702-27-2
Mol.F.	: C33H29N5
Mol.Wt.	: 495.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006008
CAS No	: 114772-40-6
Mol.F.	: C18H19BrO2
Mol.Wt.	: 347.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006010
CAS No	: 528560-94-3
Mol.F.	: C35H34N4O2
Mol.Wt.	: 542.6
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006011
CAS No	: 1026438-56-1
Mol.F.	: C37H38N4O2
Mol.Wt.	: 570.7
Inv. Status	: Out of Stock

SZ CAT No:	: SZ-T006012
CAS No	: 144701-81-5
Mol.F.	: C32H28N4O2
Mol.Wt.	: 500.6
Inv. Status	: Limited Stock

SZ CAT No:	: SZ-T006013
CAS No	: 152628-03-0
Mol.F.	: C12H14N2O2
Mol.Wt.	: 218.1
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006014
CAS No	: 150766-86-2
Mol.F.	: C14H11BrO2
Mol.Wt.	: 291.1
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006015
CAS No	: 147404-72-6
Mol.F.	: C14H12BrNO
Mol.Wt.	: 290.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006016
CAS No	: 133085-87-7
Mol.F.	: C16H15BrO2
Mol.Wt.	: 319.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006017
CAS No	: 114772-38-2
Mol.F.	: C15H13BrO2
Mol.Wt.	: 305.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006018
CAS No	: 114772-54-2
Mol.F.	: C14H10BrN
Mol.Wt.	: 272.2
Inv. Status	: Out of Stock

SZ CAT No:	: SZ-T006019
CAS No	: 884330-09-0
Mol.F.	: C18H18N4
Mol.Wt.	: 290.1
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006020
CAS No	: 884330-14-7
Mol.F.	: C46H38N4O4
Mol.Wt.	: 710.8
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006021
CAS No	: 885045-90-9
Mol.F.	: C33H29ClN4O2
Mol.Wt.	: 549.1
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006022
CAS No	: 1338830-37-7
Mol.F.	: C34H32N4O2
Mol.Wt.	: 528.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006023
CAS No	: 114772-34-8
Mol.F.	: C15H14O2
Mol.Wt.	: 226.3
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006D01
CAS No	: 1189889-44-8
Mol.F.	: C33H27D3N4O2
Mol.Wt.	: 517.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006D02
CAS No	: 1246820-22-3
Mol.F.	: C7H7D3N2
Mol.Wt.	: 125.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006D03
CAS No	: 1794940-54-7
Mol.F.	: C37H35D3N4O2
Mol.Wt.	: 573.8
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006024
CAS No	: 152628-01-8
Mol.F.	: C13H16N2O5
Mol.Wt.	: 280.3
Inv. Status	: In Stock

SZ CAT No:	: SZ-T006025
CAS No	: 612-28-2
Mol.F.	: C7H8N2O2
Mol.Wt.	: 152.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006027
CAS No	: 1493-27-2
Mol.F.	: C6H4FNO2
Mol.Wt.	: 141.1
Inv. Status	: In Stock, 3-4 days for Dispatch

SZ CAT No:	: SZ-T006028
CAS No	: 77-48-5
Mol.F.	: C5H6Br2N2O2
Mol.Wt.	: 285.9
Inv. Status	: In Stock, 3-4 days for Dispatch

SZ CAT No:	: SZ-L031060
CAS No	: 764-28-3
Mol.F.	: C8H12N4
Mol.Wt.	: 164.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-T006030
CAS No	: 1352492-08-0
Mol.F.	: C15H12Br2O2
Mol.Wt.	: 384.1
Inv. Status	: Custom Synthesis