Vitamin B12
Type: Vitamins
Origin: China
CAS No.: 68-19-9
AUCO No.: 817
Packing: 1kg tin
Origin: China
CAS No.: 68-19-9
AUCO No.: 817
Packing: 1kg tin
Description
1. Specification:
2. What is the procedure to buy Vitamin B12 in AUCO?
1) Contact our professional sales team, we will reply you within 12 hours.
2) You will be clear to the quality, price, payment terms, package, delivery time of Vitamin B12 and make your purchase plan.
3) Once order confirmed, PI&SC issued and confirmed the exact delivery date within 1 day.
4) Vitamin B12 in production and vessel reservation.
5) Professional Loading Report for your approval within 1 day after loading cargoes in container. Previous samples for your reference:
6) Detailed shipping info provided same day of sailing date.
7) Documents copy sent by email within 2-3 days after sailing date.
8) Original documents sent by DHL or Telex release after documents copy approval within 2 days.
9) You will be informed of each step and receive the Vitamin B12 at the destination.
| Items | Standard |
| Appearance | Dark red crystal or crystalline powder, with no smell and no taste; hygroscopicity. |
| Identification A | A361nm/A278nm:1.70-1.90 |
| A361nm/A550nm:3.15-3.40 | |
| Identification B | The retention time of major peak of the sample should be consistent with the standard solution. |
| Identification C | Positive |
| Infrared Spectrum | Infrared spectrum of the sample should be consistent with the reforence map. |
| Loss on drying | ≤12.0% |
| Assay | 96.0%~102.0% |
| 7β、8β-lactocyanocobalamin | ≤1.0% |
| 50-carboxyeyanocobalamin | ≤0.5% |
| 34-methylcyanocobalamin | ≤2.0% |
| 32-carboxyeyanocobalamin | ≤1.0% |
| 8-Epi-cyanocobalamin | ≤1.0% |
| Any other unidentified | ≤0.5% |
| Total impurities | ≤3.0% |
| Total aerobic bacteria count | ≤1000cfu/g |
| Molds、Yeasts | ≤100cfu/g |
| E、coli | Negative |
| Residual solvents | Acetone≤0.5% |
2. What is the procedure to buy Vitamin B12 in AUCO?
1) Contact our professional sales team, we will reply you within 12 hours.
2) You will be clear to the quality, price, payment terms, package, delivery time of Vitamin B12 and make your purchase plan.
3) Once order confirmed, PI&SC issued and confirmed the exact delivery date within 1 day.
4) Vitamin B12 in production and vessel reservation.
5) Professional Loading Report for your approval within 1 day after loading cargoes in container. Previous samples for your reference:
6) Detailed shipping info provided same day of sailing date.
7) Documents copy sent by email within 2-3 days after sailing date.
8) Original documents sent by DHL or Telex release after documents copy approval within 2 days.
9) You will be informed of each step and receive the Vitamin B12 at the destination.
