L-Carnosine
CAS No.: 305-84-0
Product Name: L-Carnosine
CAS#305-84-0
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#305-84-0
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of L-Carnosine :
| Items | Specification | Results |
| Appearance | White to almost white powder | Complies |
| Odor | Slightly characteristic odor | Complies |
| Identification | The retention time of the main peak of the test sample is consistent with theretention time of the control sample | Complies |
| Loss on drying | ≤1.00% | 0.38% |
| Specific Rotation | +20.0 ° ~ +22.0° | +21. 4 ° |
| pH | 7.9-8.3 | 8.1 |
| Heavy metals | <10ppm | <10ppm |
| Pb | ≤3 ppm | Complies |
| As | ≤1ppm | Complies |
| Hg | ≤0.1ppm | Complies |
| Cd | ≤1ppm | Complies |
| Purity | ≥99.0% | 99.9% |
| content | ≥99.0% | 99.4% |
| L-Histidine | ≤1.0% | N.D. |
| Alanine | ≤0.10% | N.D. |
| Residue on ignition | ≤0.10% | 0.08% |
| Melting point | 250℃~260℃ | 250.3~252.5℃ |
| Total aerobic microbial count | ＜100cfu/g | ＜100cfu/g |
| Combined Yeast & Mold Count | ＜100cfu/g | ＜100cfu/g |
| E.Coli | Absent/g | Negative |
| Salmonella | Absent/ 10g | Negative |
