Cas No.1378390-29-4

Product Details

Velpatasvir intermediate

3-(2-bromoacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one

Molecular Formula C19H15BrO3

Molecular Weight 371.22500

Organic materials which is special line with double clearance. It is highly recommended apply in industrial, medical field.

Use：

(2S,4S)-1-(tert-butoxycarbonyl)-4-(methoxymethyl)pyrroline-2-carboxylic acid is an antiviral agent and a velpatasvir intermediate. Velpatasvir intermediates are NS5A inhibitors in patients with hepatitis C (HCV) infection.Its characteristics are as follows: Test solution: take an appropriate amount of vipatavir API powder, dissolve it in methanol and dilute it quantitatively into a solution of 1.0 mg/ml; Mobile phase A: phosphoric acid aqueous solution; Mobile phase B: acetonitrile; Chromatographic column: 250 mm ×4.6 mm, 5 micron; Packing: C18 alkyl silane bonded silica gel; Column temperature: 30℃; Detection wavelength: 295 nm; Flow rate: 1.2 ml/min; Elution mode: gradient elution.

Specification of Corrugated Polypropylene Sheet:

Product qualification

Packing and shipping

We offer 3 shipping delivery way.

1. Small sample quantity by Courier like DHL/Fedex require 3-7days.

2. Dozens of kgs or special required by Air require 5-10days.

3. Commercial quantity in tonnage by Sea require 10-45days.

Why choose us

1.good quality

(1) good quality is the basic of our goal;

(2) Good feedback of quality from our customers.

2.lower price

we have many experiences in the price.

3.professional loading

We are pros,we kown our products very well. We also know the market conditions. We will inform you the latest news of market fluctuation,exchange rate fluctuation and so on

FAQ

Q1: Are you factory or trading company?

A: We're factory and can do exporting ourselves.

Q2: Can you do the custom project?

A: Yes. There has professional team could do the R&D work and give satisfactory reply.

Q3:What's the payment terms?

A: Small amount use T/T and big quantity in L/C.

http://www.covapharm.com/