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Cat. No. M2158
Lopinavir Structure


Size Price Availability Quantity
Free Sample (0.5-1 mg)  USD 0 In stock
10mg USD 28  USD35 In stock
50mg USD 44  USD55 In stock
100mg USD 72  USD90 In stock
200mg USD 100  USD125 In stock
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Biological Activity

Lopinavir (ABT-378) is an antiretroviral of the protease inhibitor class. Lopinavir potently inhibited wild-type and mutant HIV protease (Ki = 1.3 to 3.6 pM). Lopinavir (ABT-378) also produced negligible or weak inhibition of human CYP1A2, 2B6, 2C9, 2C19 and 2D6. Lopinavir (ABT-378) blocked the replication of laboratory and clinical strains of HIV type 1 (50% effective concentration [EC50], 0.006 to 0.017 microM), and maintained high potency against mutant HIV selected by ritonavir in vivo (EC50, 50-fold after 8 h.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

Chemical Information
Molecular Weight 628.8
Formula C37H48N4O5
CAS Number 192725-17-0
Purity >99%
Solubility DMSO 110 mg/mL
Ethanol 100 mg/mL
Storage at -20°C

[1] Weemhoff JL, et al. J Pharm Pharmacol. Apparent mechanism-based inhibition of human CYP3A in-vitro by lopinavir.

[2] Sham HL, et al. Antimicrob Agents Chemother. ABT-378, a highly potent inhibitor of the human immunodeficiency virus protease.

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Keywords: Lopinavir, ABT-378 supplier, HIV Protease, inhibitors

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