Ergocalciferol (D2)
Molecular Structure:
MDL:
--MFCD00166988
Molecular Formula:
C28H44O
Molecular Weight:
396.65
Alias:
丁二素,麥角骨化醇,骨化醇,麥角鈣化醇,麥角鈣化甾醇
Ergosterol irradiated
Calciferol
Ercalciol
Ergocalciferol
Irradiated ergosterol
Vitamin D2
Oleovitamin D2
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Ergocalciferol (D2) |
98% |
5g |
RMB 858 |
Consulting service |
Ergocalciferol (D2) |
98% |
1g |
RMB 286 |
Consulting service |
Character:
無色針狀結(jié)晶,無臭無味。在空氣和日光下都不穩(wěn)定。不溶于水,易溶于乙醇、乙醚或氯仿中。遇無機酸、醛類,或者溫度過高時,都易分解。1 USP unit = 1 I.U.
比光旋度: 82°
熔點:114 °C
Quality Standard:
外觀Appearance 白色至黃白色結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry 符合
熔點Melting point 112°C - 117°C
純度Purity ≥98.0% (HPLC)
比旋度Specific rotation [a]20/D +100.0 ~ +109.0 °(C=1.5, 乙醇)
吸光率Specific abs. A (1%/1cm) 460 - 490 (265 nm, EtOH 96%)
麥角甾醇ergosterol < 0.2% (TLC)
效價Potency 40,000,000 USP UNITS/G 1 USP UNIT = 1 I.U.
Storage:
2-8°C避光儲存
用途 主要用于防治佝僂病和骨質(zhì)軟化病??捎甥湽檀冀?jīng)紫外光照射轉(zhuǎn)化而成。