17943
(24R)-24,25-Dihydroxyvitamin D3
≥98% (vitamin + pre-vitamin, HPLC)
Synonym(s):
(24R)-,24,25-Dihydroxycholecalciferol, Secalciferol
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About This Item
Empirical Formula (Hill Notation):
C27H44O3
CAS Number:
Molecular Weight:
416.64
Beilstein:
4567039
MDL number:
UNSPSC Code:
12352205
PubChem Substance ID:
NACRES:
NA.79
Recommended Products
biological source
synthetic
Assay
≥98% (vitamin + pre-vitamin, HPLC)
form
powder or crystals
color
colorless to white
storage temp.
−20°C
SMILES string
[H][C@@]1(CC[C@@]2([H])C(\CCC[C@]12C)=C\C=C3\C[C@@H](O)CCC3=C)[C@H](C)CC[C@@H](O)C(C)(C)O
InChI
1S/C27H44O3/c1-18-8-12-22(28)17-21(18)11-10-20-7-6-16-27(5)23(13-14-24(20)27)19(2)9-15-25(29)26(3,4)30/h10-11,19,22-25,28-30H,1,6-9,12-17H2,2-5H3/b20-10+,21-11-/t19-,22+,23-,24+,25-,27-/m1/s1
InChI key
FCKJYANJHNLEEP-XRWYNYHCSA-N
General description
(24R)-24,25-Dihydroxyvitamin D3 or secalciferol is produced in kidney. It is the one of the most active form of vitamin D and an essential circulating vitamin D3 metabolite.
Application
(24R)-24,25-Dihydroxyvitamin D3 has been used to assess its function(s) compared with that of 1α,25(OH)2D3, during osteoblastic differentiation of primary human mesenchymal stem cells (hMSCs).
Biochem/physiol Actions
(24R)-24,25-Dihydroxyvitamin D3 plays an essential role in calcium and phosphorus homeostasis. (24R)-24,25-Dihydroxyvitamin D3 along with 1α,25(OH)2D3 stimulates bone metabolism.
Cholecalciferol is an inactive form of vitamin D3 which undergoes various levels of hydroxylation to form active vitamin D3 analogs. 1α-Hydroxyvitamin D3 (alfacalcidol) is a synthetic analog that is metabolized to 1,25-dihydroxycholecalciferol, the biologically active form of vitamin D3. Other analogues of cholecalciferol result from different hydroxylations. 24R,25-Dihydroxyvitamin D3 is a catabolite of 25-Dihydroxyvitamin D3 and a putative regulator of developmental bone formation. 24R,25-Dihydroxyvitamin D3 is a substrate for renal 25-hydroxyvitamin D3 1 α-hydroxylase. 24R,25-Dihydroxyvitamin D3 is an endogenous regulator of apo A-I synthesis through a VDR-independent signaling mechanism and an inhibitor of Pi-induced apoptosis through Ca2+, PLD, and PLC signaling and through LPA-LPA1/3-G(αi)-PI(3)K-mdm2-mediated p53 degradation.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - STOT RE 1 Oral
Storage Class Code
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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T Yamamoto et al.
Experimental cell research, 244(1), 71-76 (1998-10-15)
The effect of the physiological vitamin D metabolite 24R, 25-dihydroxyvitamin D3 [24R,25(OH)2D3] on human osteoblastic cells was assessed. Physiological concentrations (10(-9)-10(-8) M) of 24R, 25(OH)2D3 significantly increased the cyclic guanosine 5'-monophosphate (cGMP) content in the human osteoblastic cells by approximately
Edith K Y Tang et al.
The FEBS journal, 279(19), 3749-3761 (2012-08-07)
CYP27B1 is a mitochondrial cytochrome P450 that catalyses the hydroxylation of 25-hydroxyvitamin D3 at the C1α-position to give the hormonally active form of vitamin D3, 1α,25-dihydroxyvitamin D3. We successfully expressed human CYP27B1 in Escherichia coli and partially purified this labile enzyme
Tove Fall et al.
European journal of heart failure, 14(9), 985-991 (2012-06-23)
Vitamin D deficiency has been associated with risk of overt cardiovascular disease (CVD), but associations with subclinical disease are not well characterized. Hence, we examined associations of circulating vitamin D concentrations and left ventricular (LV) geometry and function by echocardiography
Helen L Henry
Best practice & research. Clinical endocrinology & metabolism, 25(4), 531-541 (2011-08-30)
Fundamental to understanding the way in which perturbations in the vitamin D endocrine system can affect human health is an appreciation of the steps involved in the production of the well-recognized active hormonal form, 1,25-dihydroxyvitamin D(3). Thus this paper focuses
Kent R Wehmeier et al.
Life sciences, 88(1-2), 110-116 (2010-11-11)
Ligands for the vitamin D receptor (VDR) regulate apolipoprotein A-I (apo A-I) gene expression in a tissue-specific manner. The vitamin D metabolite 24, 25-dihydroxycholecalciferol (24, 25-(OH)(2)D(3)) has been shown to possess unique biological effects. To determine if 24, 25-(OH)(2)D(3) modulates
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