Chinese name: Trans-pterostilbene
English name: trans-Pterostilbene
CAS: 18259-15-9
EINECS: 611-041-4
Chemical formula: C16H16O3
Molecular weight: 256.3
InChI: InChI = 1 / C16H16O3 / c1-18-15-9-13 (10 to 16 (11-15) 19-2) 4-3-12-4-3-12 (17) the 8-6-12 / h3-11 in 2 H, 1-2 h3 / b4-3 +
Density: 1.169± 0.06g /cm3(Predicted)
Melting point: 89-92 ºC
Boiling point: 420.4±35.0 °C(Predicted)
Flash point: 208.1°C
Vapor pressure: 1.15E-07mmHg at 25°C
Solubility: DMSO: >20 mg/mL
Refractive index: 1.639
Acidity coefficient: 9.96±0.26(Predicted)
Storage condition: 2-8°C
Stability: Stability for 2 years from the date of purchase provided. The solution in DMSO or ethanol can be stored at -20 ° for up to 1 week.
Sensitivity: Sensitive to light and air
Appearance: solid
Color: White or off-white
Maximum wavelength (λmax) : ['321nm(MeOH)(lit.)']
Physical and chemical properties: soluble in hot methanol, DMSO, insoluble in water. Derived from the legume plant Pterocarpus indicus
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Specification
Product Name | Pterostilbene/Trans-Pterostilbene powder 98% |
CAS | 537-2-8 |
Color | White powder |
Grade | Food/Cosmetic grade |
Purity | 98% |
Sample | available |
Shelf life | 2 years |
FAQ
Q1: Can I get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of the order, enclosed is our bank information.
Q3: How to confirm the Product Quality before placing orders?
A: You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests, we will manufacture the products according to your requests.
Q4:What's your MOQ?
A: Our MOQ is 1kg. But usually access quantities such as 1/10/100g on the condition that the sample charge is 100% paid.
Q5: How about the delivery lead time?
A: Delivery lead time: About 1-3 days after payment is confirmed. (Chinese holiday not included)