| Product Name: VITAMIN B12 (CYANOCOBALAMIN) |
Type: Vitamins
Origin: China
CAS No.: 68-19-9
AUCO No.: 817
Packing: 1kg tin |
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| 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 | ≤10.0% |
| Assay | 97.0%~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% |
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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 and make your purchase plan.
3) Once order confirmed, PI&SC issued and confirmed the exact delivery date within 1 day.
4) Cargoes in production, CIQ procedure and vessel reservation with ETD and ETA.
5) Professional Loading Report for your approval within 1 day after loading cargoes in container.
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 cargoes at the destination.
3. Professional Loading Report Service:
We have an external team inspecting the loading to guarantee all in good condition and one professional Loading Report of each shipment. Previous samples for your reference:
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Keep stable supply for our customers in case of materials price fluctuating wildly.
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Q: What is your delivery time?
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Q: What is your packing?
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We can also arrange customized packages according to customers' requirements.
Q: What is the validity of the products?
A: We guarantee that the cargoes have Min. 80% shelf life on the delivery date.
Q: How about your after-sale service?
A: We have profession team for loading, as well as the logistics team for documents. Our logistics team will send arrival notice for customers and keeping eyes for their feedback once received our cargoes. If any issue, we will solve it at once and our customers are always long term partners.
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