D-Biotin
Molecular Structure:
MDL:
--MFCD00005541
Molecular Formula:
C10H16N2O3S
Molecular Weight:
244.31
Alias:
維生素H,生物素,D-(+)-生物素,輔酶R,維生素B7
Bios H
Biotin
Bios II
Coenzyme R
Vitamin B7
Vitamin H
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
D-Biotin |
生物技術(shù)級 |
5g |
RMB 1072.5 |
Consulting service |
D-Biotin |
生物技術(shù)級 |
1g |
RMB 247.5 |
Consulting service |
D-Biotin |
98% |
25g |
RMB 1705 |
Consulting service |
D-Biotin |
98% |
5g |
RMB 616 |
Consulting service |
D-Biotin |
98% |
1g |
RMB 207.9 |
Consulting service |
Character:
無色至近無色結(jié)晶性粉末。25°C溶解度:22 MG/100 ML 水 、80 MG/100 ML乙醇。較易溶于熱水和稀堿液,不溶于其他常用有機溶劑。遇強堿或氧化劑則分解。
熔點: 231-233 °C
[a]20/D: 89°(c=2, 0.1 N NaOH)
Quality Standard:
外觀Appearance 白色至類白色粉末
紅外光譜鑒定Infrared spectrometry 和對照品匹配
純度Purity (以干基計) ≥98.0% (中和滴定)
堿溶性試驗Solubility in 0.1mol/L NaOH 溶液透明
干燥失重Loss on drying <1 % (105°C)
硫酸鹽灰分Sulfated ash <0.1 %
比旋光度Specific rotation [a]20/D +89° ~ +93°(c=2, 0.1 N NaOH)
Storage:
2-8℃保存