色播婷婷电影综合社区,AV女优不卡亚洲在线,99999AV,日韩人妻中文字幕视频,国产拍自偷,91人人妻,超碰在线81,免费福利视频一区,九草青草原在线看

China RIBOFLAVIN - China Supplier

RIBOFLAVIN

Price:Negotiable
Industry Category:
Product Category:
CAS NO: 83-88-5
Brand:
Spec:


Contact Info
  • Add:4-101 NO.299 BISHENG RD. PUDONG, 201204 SHANGHAI, CHINA, Zip: 201204
  • Contact: RITCHIE
  • Tel:021-51082199
  • Email:manager@megchemical.com

Other Products

Description
Additional Information

RIBOFLAVIN

 

 

OTHER NAME: 7,8-Dimethyl-10-ribitylisoalloxazine; Lactoflavine; Vitamin B2

CAS NUMBER: 83-88-5

 

SPECIFICATION: USD28/BP2000

 

ITEM

USP28

BP2000

APPEARANCE

A yellow or orange yellow crystalline

A yellow or orange yellow crystalline powder

IDENTIFICATION

conform

conform

SPECIFIC ROTATION,°

+56.5~+59.5

-115~-135

ASSAY (ON DRIED BASIS, %)

98.0~102.0

98.0~101.0

LOSS ON DRYING (%)

1.5max

1.5max

RESIDUE ON IGNITION (%)

0.3max

0.1max

ORGANIC VOLATILE IMPURITIES

Meets the requirements

/

ACIDITY OR ALKALINITY (PH)

/

Meets the requirements

LUMIFLAVINCE

440nm Absorbance 0.025max

Not more intensely coloured than reference solution BY6

ABSORBANCE

/

A373nm/A267nm=0.31~0.33

A444nm/A267nm=0.36~0.39

 

 

PACKINGS: 25KG cartons.

 

USAGE: Food additive, food enhanced function.


Food additive, food enhanced function.

CAS NO:83-88-5;69680-01-9

EC NO:201-507-1

Molecular Formula:C17H20N4O6

Molecular Weight:376.3639

Synonyms:;Lactoflavine;E 101;Riboflavin (1.07609);Riboflavine;Vitamin B_2;Vitamin B2;VB2;1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)pentitol;5-deoxy-5-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-D-ribitol;1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-D-ribitol;VITAMIN G;

Molecular Structure:維生素B2 83-88-5;69680-01-9

Industry Category
Product Category
Brand:
Spec:
Stock:
Origin:
About Toocle.com - Partner Programme - Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營性-2023-0192
ChatGlobal Chat Now 静海县| 互助| 德安县| 定西市| 鸡西市| 清水河县| 郁南县| 延长县| 镇平县| 瑞丽市| 宕昌县| 定日县| 华蓥市| 姜堰市| 镇巴县| 平陆县| 筠连县| 高台县| 阳春市| 阳泉市| 财经| 太白县| 手游| 彩票| 涞源县| 福泉市| 龙岩市| 娄烦县| 九江县| 鹤庆县| 柏乡县| 三台县| 大渡口区| 镇沅| 阳山县| 都昌县| 东海县| 龙江县| 怀仁县| 海口市| 丰原市|