1α-Hydroxyvitamin D₃

C₂₇H₄₄O₂

400.64

255-297-1

MFCD00868328

57647693

NA.79

1α-Hydroxyvitamin D₃, also known as alfacalcidol, is a synthetic vitamin D₃ analogue, hydroxylated in position one. It is metabolized to 1,25-dihydroxycholecalciferol by 25-hydroxylases.

1α-Hydroxyvitamin D₃ facilitates calcium absorption and deposition. It also has an ability to inhibit bone resorption and stimulate bone formation. Alfacalcidol is used for treating various bone diseases such as rickets/osteomalacia, renal osteodystrophy and osteoporosis. It acts as a chemopreventive agent and reduces the risk colitis and carcinogenesis.
Synthetic vitamin D₃ analog that is metabolized to 1,25-dihydroxycholecalciferol. Inhibits bone resorption and stimulates bone formation. Supresses parathyroid hormone secretion by bovine parathyroid cells.

100

synthetic

≥97.0% (HPLC)

powder or crystals

white to off-white

−20℃

CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2\C(CCC[C@]12C)=C\C=C3\C[C@@H](O)C[C@H](O)C3=C

1S/C27H44O2/c1-18(2)8-6-9-19(3)24-13-14-25-21(10-7-15-27(24,25)5)11-12-22-16-23(28)17-26(29)20(22)4/h11-12,18-19,23-26,28-29H,4,6-10,13-17H2,1-3,5H3/b21-11+,22-12-/t19-,23-,24-,25+,26+,27-/m1/s1

OFHCOWSQAMBJIW-AVJTYSNKSA-N

human ... VDR(7421)

Bottomless glass bottle. Contents are inside inserted fused cone.

GHS06

Danger

H300

P301 + P330 + P331 + P310

Acute Tox. 1 Oral

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK 3

Eyeshields, Faceshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges