Product Name: L-Serine
CAS NO: 56-45-1
Molecular Formula: C3H7NO3
Molecular Weight: 105.09
EINECS NO: 200-274-3
Purity: L-Serine 98%min
A: For small samples quantity <1 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags.
B: For medium quanity 1-25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags,
then packed in cartons or small drums for shipping.
C: For larger quanity >25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags
OR bigger size double seal PET bags for 25kgs in bulk then packed in drums for shipping.
Q:How to order a sample for quality testing purpose before your commercial order?
A: We do provide our clients small sample for quality testing purpose (Sample size form 1-50 grams). Free samples can
be provided for some products due to the material cost, Our clients only need to pay the international shipping cost or
provide us your Fedex/DHL account number so we can arrange the shipments.
Q: What's our Minimun Ordering Quantity (MOQ)?
A: For the high value products, our MOQ starts from 1 gram and other products generally starts from 1 kilogram. For
other low value products, MOQ can be started from 10kgs to 100kgs.
Q: Is there a discount?
A: Yes, we offer lower prices for larger quantities. There will be difference prices range on our quotation list so please
inform us what quantity you will be after.
Q: How do we guarantee our products quality?
A: First of all, our quality control system will reduce our quality problem to near zero.We can always provide our
certificate of analysis according to every batch of our products.We can also provide third party analysis testing
due to our clients' requirement.
If there is any quality issue caused by us, we will send you free goods for replacement or refund your loss.
Audited Supplier 
){kind=link}
){kind=link}