{"product_id":"milllipore-vitamin-d2-solution-100mcg-etoh-1ml","title":"Vitamin D2 (6,19,19-d3) solution, 100 μg\/mL in ethanol, 97 atom % D, 98% (CP) - 1 mL","description":"\u003cp\u003eVitamin D₂ (6,19,19-d₃) is a deuterium-labeled form of ergocalciferol supplied as a 100 µg\/mL solution in ethanol. Isotopically labeled vitamin D₂ is widely used as an internal standard for quantitative analysis of vitamin D metabolites by LC-MS\/MS, providing accurate correction for matrix effects, recovery losses, and instrument variability.\u003c\/p\u003e\n\n\u003cp\u003eWith 97 atom % deuterium incorporation and a defined M+3 mass shift, this solution supports precise quantification of vitamin D₂ in biological matrices such as serum, plasma, and whole blood. The ready-to-use solution format minimizes preparation time and improves reproducibility in regulated analytical workflows.\u003c\/p\u003e\n\n\u003cp\u003ePackaged in a sealed 1 mL ampule, this material is suitable for research, clinical, food, and nutraceutical testing laboratories requiring reliable isotopic standards for mass spectrometry applications.\u003c\/p\u003e","brand":"Millipore Sigma","offers":[{"title":"Default Title","offer_id":43389804838971,"sku":"739847-1ML","price":782.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/5641\/8875\/files\/VITAMIN_D2.png?v=1774540265","url":"https:\/\/gogreenscientific.com\/products\/milllipore-vitamin-d2-solution-100mcg-etoh-1ml","provider":"Go Green Scientific","version":"1.0","type":"link"}