Good User Reputation for 4\\\’-O-Methylbroussochalcone B - Jujuboside A1 Cas No.194851-84-8 – Yongjian
Good User Reputation for 4\\\’-O-Methylbroussochalcone B - Jujuboside A1 Cas No.194851-84-8 – Yongjian Detail:
Jujuboside A1 Physicochemical Properties
Density: 1.5 ± 0.1 g / cm3
Molecular formula: C58H94O26
Molecular weight: one thousand two hundred and seven point three five one
Precision quality: 1206.603394
PSA：393.98000
LogP：5.05
Refractive index: 1.640
Jujuboside D English Alias
(3β,16α,23R)-20-Hydroxy-16,23:16,30-diepoxydammar-24-en-3-yl 6-deoxy-α-L-galactopyranosyl-(1->2)-[β-D-glucopyranosyl-(1->6)-[β-D-xylopyranosyl-(1->2)]-β-D-glucopyranosyl-(1->3)]-al pha-L-arabinopyranoside
JujubosideD
α-L-Arabinopyranoside, (3β,16α,23R)-16,23:16,30-diepoxy-20-hydroxydammar-24-en-3-yl O-6-deoxy-α-L-galactopyranosyl-(1->2)-O-[O-β-D-glucopyranosyl-(1->6)-O-[β-D-xylopyranosyl-(1->2 )]-β-D-glucopyranosyl-(1->3)]-
Product Quality Control
1.Our company has obtained CNAS laboratory qualification
2.Our company has nuclear magnetic resonance (Bruker 40OMHZ) spectrometer, mass spectrometer (water SQD), analytical HPLC (equipped with UV detector, PDA detector, ESLD detector) and other analytical instruments to ensure product quality.
3.Our company keeps close contact with scientific research institutes such as Shanghai Institute for drug control, Nanjing public service platform for biomedicine and Shanghai Institute of pharmaceutical industry. The national fine chemicals quality inspection center is less than 100m away from our company and can provide a full set of third-party testing services to ensure the quality of the company’s products.
Solution
1. If the purchaser has any objection before receiving the product and acceptance, it can put forward it before passing the acceptance.
2. When the purchaser feeds back abnormal quality problems in any way (including telephone, fax, e-mail, etc.), we will respond within 4 hours, give preliminary solutions within 12 hours, and give complete solutions and corresponding preventive measures within 24 hours.
3. If the acceptance shows that the quality, quantity, specification or performance of the products do not meet the requirements specified by the purchaser, we are willing to return, exchange or replenish unconditionally within 8 days from the date of receiving the written notice from the purchaser.
4. Our company keeps the production records and testing records of all products for 5 years for customers to review at any time.
Product detail pictures:
Related Product Guide:
As for aggressive costs, we believe that you will be searching far and wide for anything that can beat us. We can state with absolute certainty that for such high-quality at such rates we have been the lowest around for Good User Reputation for 4\\\’-O-Methylbroussochalcone B - Jujuboside A1 Cas No.194851-84-8 – Yongjian , The product will supply to all over the world, such as: Chile, America, South Africa, Our products have mainly exported to south-east Asia Euro-America, and sales to all of our country. And depending on excellent quality, reasonable price, best service, we've got got good feedback from customers overseas. You are welcomed to join us for more possibilities and benefits. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
By Kim from Jamaica - 2018.06.19 10:42
We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
By Barbara from Latvia - 2018.12.10 19:03
