Customization: | Available |
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CAS No.: | CAS 67-97-0 |
Formula: | C27h44o |
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Product Name: | Vitamin D3 |
Other Name | cholecalciferol |
CAS: | 67-97-0 |
MF: | C27H44O |
MW: | 384.64 |
Purity: | 99% Min |
Shelf Life | 2 years |
Appearance | White or light yellow crystalline powder |
Standard: | USP EP JP etc. |
Includes food grade, pharmaceutical grade, industrial grade, dental grade, cosmetic grade, textile Grade.
Testing Item | Standard | Result |
Vitamin D3 Content | ≥500,000IU/g | 506,800IU/g |
Appearance | White or almost white crystals | Complies |
Identification | EP/USP | Positive |
Specific optical rotation | +105.0°- +112.0° | +109.6° |
Loss on drying | 5.0% max | 4.1% |
As | 1ppm max | 0.1ppm |
Heavy metals(pb) | 20ppm max | 3ppm |
Granularity |
(1)100%go through the sieve of 0.85mm (US standard mesh sieve No.20) (2)More than 85% go through the sieve of 0.425mm (US standard mesh sieve No.40) |
(1) 100% (2) 97.6% |
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Q2: What is your terms of payment?
A: TT Transfer, CAD, L/C, All is available.
Q3: How can I get a sample?
A: We can provide free samples for your test.
Q4: Do you have MOQ ?
A: Yes, but low MOQ for sample checking is available.
Q5: How do you garantee the quality?
A: First of all, our quality control will reduce the quality problem to near zero. When the production is finished, they'll take samples from every batch of cargo, and send to our lab for inspection. After passed the inspection, then we will arrange the delivery.
Q6: How about your after-sale service ?
A: If any technical or quality problem after you receive the cargo, you can contact us any time. If the problem caused by us, we will send you free goods for replacement or refund your loss.