欧美狠狠干,狠狠操,99,热国产7,骚碰碰碰碰碰免费视频,区二区一片黄人成,尹成人色网,久久伊人麻豆传媒,97久久久久久,干女人在线一区,97国产精品字母

Hotline: +86-571-82225795

Products

L-Cystine

CAS No.: 56-89-3
Molecule Formula: C6H12N2O4S2
Molecule Weight: 240.30
Structure Formula:
 
Description: White crystals or crystalline powder; almost insoluble in water, practically insoluble in ethanol and in ether.
Manufacture Standards: AJI92/EP5
Specification:

Specific rotation
-215 - -225
Heavy metals
≤10ppm
Water content
≤0.20%
Residue on ignition
≤0.10%
assay
98.5-101.0%
pH
5.0-6.5

Mainly uses:Used in food additive, medicine and cosmetic etc.
Packing:25kgs/ fiber drum.

Home

Home

About us

About us

Products

Products

>Contact us

Contact us

凉城县| 巴彦淖尔市| 清丰县| 红安县| 绍兴县| 托克逊县| 冕宁县| 射阳县| 昌平区| 商水县| 襄汾县| 高要市| 体育| 龙州县| 鄂伦春自治旗| 延长县| 阿拉善盟| 辰溪县| 威信县| 芜湖县| 青川县| 健康| 铜山县| 师宗县| 浑源县| 金华市| 宜阳县| 普宁市| 西和县| 彰化县| 兴安盟| 奈曼旗| 七台河市| 绍兴县| 沭阳县| 枣庄市| 衡南县| 剑阁县| 湖南省| 怀集县| 日照市|