Hebei ShengYang Biological Technology Co. Ltd(expird)
Free supplier Enterprise Certification
- Free
supplier - 4th
years
Free supplier Enterprise Certification
Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
CAS NO.51-35-4
Specifications:
51-35-4
L-Hydroxyproline
High purity
Fast deliver:Professional partner
| Item | Specifications | Results |
| Appearance | White crystalline powder | Conforms |
| Specific rotation[α]D25 | -74.0°~-77.0° | -75.1° |
| Chloride（CL） | ≤0.02% | ＜0.02% |
| Sulfate（SO4） | ≤0.02% | ＜0.02% |
| Heavy metals(pb) | ≤10ppm | ＜10ppm |
| Loss on drying | ≤0.2% | 0.18% |
| Residue on ignition | ≤0.1% | 0.07% |
| PH | 5.0~6.5 | 6.09 |
| Assay | 98.5%~101.0% | 99.5% |
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 order, enclosed our bank information. Payment by T/T, , Paypal or Escrow.
Q3: How to confirm the Product Quality before placing o
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 we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5: How about delivery lead time
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6:Is it OK to print my logo on package
A:Sure.Please inform and offer your Logo formally before production.