25-Hydroxyvitamin D2
SIGMA/17937 - ≥95.0% (HPLC)
Synonym: 25-Hydroxycalciferol; 25-
CAS Number: 21343-40-8
Empirical Formula (Hill Notation): C28H44O2
Molecular Weight: 412.65
MDL Number: MFCD02683431
Linear Formula: C28H44O2
Product Type: Chemical
| assay | ≥95.0% (HPLC) |
| biological source | synthetic |
| color | white |
| form | crystalline powder |
| InChI | 1S/C28H44O2/c1-19-10-14-2 |
| InChI key | KJKIIUAXZGLUND-ICCVIKJNSA |
| Quality Level | 200 ![]() |
| SMILES string | [H][C@@]12CC[C@H]([C@H](C |
| storage temp. | −20°C |
| Biochem/physiol Actions: | Ergocalciferol (vitamin D2) is activated in vivo by hydroxylation to 25-hydroxyergocalciferol and 1α,25-dihydroxycalciferol |
| Packaging: | 1 mg in poly bottle |
| Symbol | ![]() GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H301 + H311 - H330 - H372 |
| Precautionary statements | P280 - P301 + P310 + P330 - P302 + P352 + P312 - P304 + P340 + P310 - P314 |
| Hazard Codes | T+ |
| Risk Statements | 24/25-26-48/25 |
| Safety Statements | 28-36/37-45 |
| RIDADR | UN 2811 6.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥95.0% (HPLC) |
| Storage Temp. | −20°C |
| UNSPSC | 12352205 |



