Cholecalciferol Impurity A
- CAS No.
- 22350-41-0
- Chemical Name:
- Cholecalciferol Impurity A
- Synonyms
- 3E)-3-[(2E)-2-[(1R;5,6-trans-Vitamin D3;Vitamin D3 Injection;Vitamin D3 Impurity 1;Vitamin D3 Impurity A;Cholecalciferol EP Imp A;Vitamin D3 EP impurity A;5,6-trans-Cholecalciferol;Cholecalciferol impurity A;5,6-trans-Vitamin D3, ~90%
- CBNumber:
- CB01235577
- Molecular Formula:
- C27H44O
- Molecular Weight:
- 384.64
- MDL Number:
- MFCD00078131
- MOL File:
- 22350-41-0.mol
- MSDS File:
- SDS
| Boiling point | 496.4±24.0 °C(Predicted) |
|---|---|
| Density | 0.96±0.1 g/cm3(Predicted) |
| storage temp. | -65 to -96°C |
| solubility | DMF: 25 mg/ml,DMSO: 3 mg/ml,Ethanol: 30 mg/ml |
| form | A crystalline solid |
| pka | 14.74±0.20(Predicted) |
| color | White to light yellow |
| Stability | Light Sensitive, Temperature Sensitive |
| InChIKey | QYSXJUFSXHHAJI-FVUVGDFOSA-N |
| SMILES | [C@H]1(O)CCC(=C)/C(=C/C=C2\CCC[C@@]3(C)[C@@]\2([H])CC[C@@H]3[C@H](C)CCCC(C)C)/C1 |
| FDA UNII | W28SLM7V6D |
| UNSPSC Code | 41116107 |
| NACRES | NA.25 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
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|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H312-H319-H302-H332-H315 | |||||||||
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501-P261-P271-P304+P340-P312-P280-P302+P352-P312-P322-P363-P501-P264-P280-P302+P352-P321-P332+P313-P362 | |||||||||
| WGK Germany | WGK 3 | |||||||||
| Storage Class | 6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials |
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| Hazard Classifications | Acute Tox. 2 Dermal Acute Tox. 2 Inhalation Acute Tox. 2 Oral STOT RE 1 |
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| NFPA 704 |
|
Cholecalciferol Impurity A price More Price(28)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | SMB00925 | 5,6-trans-vitamin D3 ≥90% (HPLC) | 22350-41-0 | 10mg | $570 | 2026-04-30 | Buy |
| Sigma-Aldrich | PHR8917 | trans-Cholecalciferol certified reference material, pharmaceutical secondary standard | 22350-41-0 | 40 mg | $1850 | 2026-04-30 | Buy |
| Cayman Chemical | 31225 | 5,6-trans-Vitamin D3 ≥98% | 22350-41-0 | 1mg | $77 | 2026-04-30 | Buy |
| Cayman Chemical | 31225 | 5,6-trans-Vitamin D3 ≥98% | 22350-41-0 | 5mg | $339 | 2026-04-30 | Buy |
| Cayman Chemical | 31225 | 5,6-trans-Vitamin D3 ≥98% | 22350-41-0 | 10mg | $561 | 2026-04-30 | Buy |
Cholecalciferol Impurity A Chemical Properties, Uses, Production
Chemical Properties
White to Off-White Solid
Uses
5,6-trans-Vitamin D3 is the major photoisomer of Vitamin D3 analog, as an impurity.
Definition
ChEBI: 5,6-trans-vitamin D3 is a member of the class of D3 vitamins that is calciol in which the double bond at position 5 adopts a trans-configuration. During exposure to sunlight, previtamin D3 and vitamin D3 in the skin become photoisomerized to 5,6-trans-vitamin D3. It has a role as a human metabolite. It is a member of D3 vitamins, a seco-cholestane, a secondary alcohol and a hydroxy seco-steroid. It is functionally related to a calciol.
Cholecalciferol Impurity A Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai Zerui Biotechnology Co., Ltd. | 021-54580889 18321124657 | 1054713992@qq.com | China | 10598 | 58 |
| QUALITY CONTROL SOLUTIONS LTD. | +86-0755-66853366 +86-13670046396 | export03@qcsrm.com | China | 24318 | 58 |
| Changzhou Xianglong Pharmaceutical Technology Co., LTD | 18661161657 | sales@xianglongpharm.com | China | 9998 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Chemvon Biotechnology Co., Ltd | 021-50790412 | info@chemvon.com | China | 371 | 57 |
| Adamas Reagent, Ltd. | 400-6009262 15618770481 | yhx@titansci.com | China | 14098 | 59 |
| Chemsky(shanghai)International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32273 | 50 |
| Daicel Chiral Technologies (China)CO.,LTD | 021-50460086-9 15921403865 | han_yajun@dctc.daicel.com | China | 7909 | 65 |
| S.Z. PhyStandard Bio-Tech. Co., Ltd. | 0755-4000505016 13380397412 | 3001272453@qq.com | China | 5000 | 50 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
View Latest Price from Cholecalciferol Impurity A manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-08-18 | 5,6-trans-Vitamin D3
22350-41-0
|
$83.00-339.00 | 98.23% | 10g | TargetMol Chemicals Inc. | ||
![]() |
2026-06-30 | Cholecalciferol Impurity A
22350-41-0
|
1kg | 99% | 10000KGS | Shaanxi Dideu New Materials Co. Ltd | ||
![]() |
2020-02-14 | (1S,3E)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
22350-41-0
|
$7.00 | 1KG | 99% | 100kg | Career Henan Chemical Co |
-

- 5,6-trans-Vitamin D3
22350-41-0
- $83.00-339.00
- 98.23%
- TargetMol Chemicals Inc.
-

- Cholecalciferol Impurity A
22350-41-0
- $0.00
- 99%
- Shaanxi Dideu New Materials Co. Ltd
-
![(1S,3E)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol pictures](https://img.chemicalbook.com/ProductImageEN/2020-2/Small/16237786-326b-4393-a7f6-b249cb53d7fa.png)
- (1S,3E)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
22350-41-0
- $7.00
- 99%
- Career Henan Chemical Co





