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Product Name:N-Acetyl-L-hydroxyproline;Oxaceprol;(2S,4R)-1-Acetyl-4-hydroxypyrrolidine-2-carboxylic acid
CAS#:33996-33-7
MF:C7H11NO4
MW:173.17
Assay:99.0%~101.0% (On Dried Basis)
Identification: Compare the infrared absorption spectrum of sample with that of the standard by ATR
method.
Appearance: White Crystals or Crystalline Powder
Melting Point:132~133???/span>
Specific Rotation :-115~-127°(C=4 in H2O)
Loss on drying: ≤1.0%
Residue on Ignition: NMT 0.10%
pH: 1.4-2.0
Ammonium: NMT 0.020%
Chloride(Cl): NMT 0.020%
Sulfate(SO4): NMT 0.028%
Iron(Fe): NMT 10ppm
Heavy Metals: NMT 10ppm
Arsenic(As): NMT 1ppm
Foreign Amino Acids: Not Detected
Storage: Store in cool and dry place, and keep away from direct light and heat.
* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.
