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Product Name: L-Carnosine
Molecular Formula: C9H14N4O3
Molecular Weight: 226.23
CAS No.: 305-84-0
Sequence:
H-β-Ala-His-OH
Test Items | Specifications |
Appearance | Off white powder |
IR Spectrum | In accordance with structure |
Specific Rotation [20/D] | +20.0 to +24.0 Degree (c=1 in Water) |
Melting Point | 254 to 259 Celsius Degree |
pH | 7.9 to 8.5 |
Residue on Ignition | Not more than 0.1% |
L-Histamine | Not more than 1.0% |
Beta-Alanine | Not more than 0.1% |
Heavy Metals (Pb) | Not more than 10 PPM |
As | Not more than 1 PPM |
Total Plate Count | Not more than 1000cfu/g |
Mold & Yeast | Not more than 100cfu/g |
E.Coli | Negative |
Salmonella | Negative |
Loss on Drying | Not more than 1.0% |
Purity (HPLC) | Not less than 99.0% |
* 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.
