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(CAS RN:144689-24-7 Product Number:O0507)



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Product Number O0507

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Purity/Analysis Method >98.0%(HPLC)
Storage Temperature <0°C
M.F. / M.W. C24H26N6O3=446.51
CAS RN 144689-24-7
Related CAS RN
MDL Number MFCD00914967
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Appearance White to Light yellow powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 95.0 %


Reaxys-RN 7502669
PubChem SID 354335584
RTECS# NI4014100

Transport Information

HS Number 2933998090


Olmesartan: A Selective AT1 Subtype Angiotensin II Receptor Antagonist (“sartan”)

Olmesartan, an active metabolite of olmesartan medoxomil [O0510], is a selective AT1 subtype angiotensin II receptor antagonist (“sartan”), such as candesartan [C2635], eprosartan [E1161], irbesartan [I0859], losartan [L0232], olmesartan [O0507], telmisartan [T2861] and valsartan [V0112].
Angiotensin II is formed from angiotensin I in a reaction catalyzed by angio-tensin converting angiotensin conversion enzyme (ACE), and can active two different receptors, AT1 and AT2, both of which are coupled to G-protein. The vasopressor actions of angiotensin II are mediated through AT1 receptors. Olmesartan and sartans bind selectively to AT1 receptor with almost no binding to AT2 receptor in vascular smooth muscle. Therefore, olmesartan and sartans show blood pressure lowering effect. Recently, some combination agents with a calcium channel antagonist (e.g. amlodipine [A2353], azelnidipine [A2433]) are also used for the treatment of hypertension and cardiovascular disease. (The product is for research purpose only.)


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