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抗坏血酸葡糖苷CAS129499-78-1用纯度为99%

CAS:129499-78-1
分子式:C12H18O11
分子量:338.26
外观:白白色粉末
EINECS:425-980-0
同义词:Aa2G/抗坏血酸葡糖苷;抗坏血酸2-葡糖苷;购买抗坏血酸葡萄糖粉CAS129499-78-1;L-抗坏血酸2-O-α-葡糖苷;抗坏血酸葡糖苷/AA2G;2-O-alpha-D-吡喃葡-L-苏-十六-1-enofuranos-3-ulose

抗坏血酸葡糖苷CAS129499-78-1用纯度为99%
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什么是抗坏血酸葡萄糖

抗坏血酸葡萄糖,也称为VC葡糖苷、科学名称O-a-D-吡喃葡-L-抗坏血酸衍生物的VC,与相对分子质量的338.27和熔点158.5-159.5°C。

规格

项目 标准        结果,
 外观 白色的奶粉 白色的粉末
 pH 2.3~2.4 2.37
熔点 158℃~163℃ 158.5℃~为159.0℃
光旋转 +186.0°~+188.0° +186.9°
干燥损失 ≤1.0% 0.05%
残留物,在点火 ≤0.2% 0.05%
免费的抗坏血酸 ≤0.1% 符合
免费糖 ≤0.1% 符合
重金属(pb) ≤10ppm 符合
砷(AS2O3) ≤1ppm 符合
测定 ≥98.0% 99.2%
纯度 ≥99.5% 99.8%

应用

内容的黑色素在人的皮肤决定颜色的皮肤。 酪氨酸是主要的原材料生产黑色素。 酪氨酸酶是限速的酶的合成途径酪氨酸。 它主要影响的转氨酸入多糖。 Pa、和氧化多巴以dopaquinone影响的黑色素生产。

包装

25公斤袋或要求客户。 让它离开光在温度25℃以下.

Ascorbyl Glucoside CAS 129499-78-1

相关的关键词

Ascofresh;L-抗坏血酸、2-O-。alpha.-D-吡喃葡-;a-a-2G;抗坏血酸2-O-葡糖苷;抗坏血酸葡萄糖、抗坏血酸-2-葡糖苷;2-O-A-D-吡喃葡-L-抗坏血酸;L-抗坏血酸2-o-alpha-葡糖苷

抗坏血酸葡糖苷CAS129499-78-1用纯度为99%
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