1. Product advantages

♦ High purity, all above 98.5%, no impurities after dissolution

♦ We will test each batch to ensure quality

♦ OEM and private brand services designed for free

♦ Various cap colors available

♦ We can also provide MT1 peptide powder

2. Factory advantages

♦ Professional research team

♦ More than 5 doctors in high-tech R&D laboratories

♦ More than 1000 m2 of factory production line to ensure stable supply

♦ More than 1200 factories to manufacture products and control quality

3. Service advantages

♦ 24-hour online service

♦ Track package information and update it for customers

♦ Professional sales team

♦ Accept small order service

♦ Redelivery service if detained by customs

D-proline is white powder. 

Density 1.2± 0.1g /cm3

Boiling point 252.2±33.0 °C at 760 mmHg

Melting point 223ºC

Molecular formula C5H9NO2

Molecular weight 115.131

Flash point 106.3±25.4 °C

Accurate mass 115.063332

PSA 49.33000

LogP minus 0.57

Appearance properties white to off-white powder

Vapor pressure 0.0±1.1 mmHg at 25°C

Refractive index 1.487

Water solubility: soluble

Application:

It is used in synthetic drugs and for the asymmetric self-condensation reactions of β-ionylideneacetaldehyde, retinal and related compounds.

Package:

Delivery:

Our company has long-term cooperation with many world-famous logistics companies to ensure transportation efficiency and cargo safety. 

FAQ:

1. How do you control the quality   
Our factory is equipped with professional technicians to control quality, out inspectors take sample for testing every 2 hours to ensure the quality of our production. We also accept BV, SGS or any other Third-party inspection.   

2.  How long is lead time  
We deliver goods within 3 days for small order, 7-10 days for bulk order.   

3.  Can I get some samples 
 Yes, we can supply free sample, but the shipping cost be paid by our customers. 

4.  How long is lead time

We deliver goods within 3 days for small order, 7-10 days for bulk order.