Vitamin D3

Vitamin D3

Produktname Vitamin D3
CAS-Nummer 67-97-0
Molekülformel C₂₇H₄₄O
Molekulargewicht 384.64 g/mol
Aussehen Weißes bis cremefarbenes kristallines Pulver
Analyse (HPLC) ≥ 99,01 TP3T
Trocknungsverlust ≤ 0,5%
Verbrennungsrückstand ≤ 0.1%

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Vitamin D3 (Cholecalciferol)

Vitamin D3 (Cholecalciferol) is the naturally occurring form of vitamin D synthesized in the skin upon exposure to ultraviolet B (UVB) radiation and also obtained through dietary sources such as fatty fish, egg yolks, and fortified foods.
It is a fat-soluble secosteroid that functions as a prohormone, undergoing two sequential hydroxylation steps in the liver and kidney to produce the biologically active metabolite calcitriol (1,25-dihydroxyvitamin D).
Vitamin D3 is one of the most extensively studied and widely used nutritional ingredients, with established roles in skeletal health, immune modulation, and overall wellness.
It is available in various formats, including crystalline powder, oil-based solutions, and beadlet formulations, to accommodate diverse manufacturing requirements.

Funktion

  • Calcium homeostasis: Promotes intestinal calcium and phosphate absorption, supports bone mineralization.

  • Immunmodulation: Regulates innate and adaptive immune responses via VDR signaling.

  • Cellular differentiation: Influences cell proliferation and differentiation in multiple tissues.

  • Muscle function: Contributes to muscle strength and neuromuscular coordination.

  • Fat-soluble: Requires lipid carriers for optimal absorption and formulation.

Related Compounds

Verbundstoff CAS-Nr. Beziehung
Vitamin D3 (Cholecalciferol) 67-97-0 Parent compound, prohormone
25-Hydroxyvitamin D3 63283-36-3 Liver metabolite, circulating storage form
Calcitriol (1,25-Dihydroxyvitamin D3) 32222-06-3 Active hormonal metabolite
Vitamin D2 (Ergocalciferol) 50-14-6 Plant-derived analogue

Documentation & Supply

  • Monthly capacity: 500+ kg (crystalline powder)

  • Lead time: 3–5 days (samples), 10–15 days (bulk)

  • Documentation: COA, chromatogram, stability data (upon request)

  • Packaging: 500 g, 1 kg, 5 kg, 25 kg; oil-based and beadlet formulations available upon request

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