潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

China a-chitin Suppliers, China a-chitin Manufacturers.

ChemNet  |   Sign in  |   Join Now
Verified
Supplier
15th

year

Smart Chemicals Group Co. Ltd.
http://www.tcbest88.com/ChinaSuppliers/13482/
CN China Suppliers > hebeismart >

a-chitin

Details for a-chitin

a-chitin

111Category:

Food and Feed additives

a-chitin
CAS NO: 1398-61-4
EC NO: 215-744-3
Molecular Formula: C28H49N3O16
Molecular Weight: 683.6992
Specification:
InChI: InChI=1/C28H49N3O16/c1-11(35)29-21-19(9-44-8-15-17(5-33)47-28(42)23(25(15)39)31-13(3)37)45-16(4-32)14(24(21)38)7-43-10-20-22(30-12(2)36)27(41)26(40)18(6-34)46-20/h14-28,32-34,38-42H,4-10H2,1-3H3,(H,29,35)(H,30,36)(H,31,37)/t14-,15-,16?,17?,18?,19+,20+,21?,22?,23?,24+,25+,26-,27-,28-/m1/s1
Synonyms: Acetylated chitin;a-chitin;beta-(1,4)-2-Acetamido-2-deoxy-D-glucose;beta-1,4-poly-N-acetyl-D-glucosamine;Clandosan;Poly-[1-4]-b-D-N-acetylglucosamine;poly-1-beta-4GlcNAc;Poly-N-acetyl-D-glucosamine;2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1->4)-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1->4)-2-(acetylamino)-2-deoxy-beta-D-glucopyranose;N-[(2R,4R,5S)-2-({[(3S,4S,6R)-5-(acetylamino)-6-({[(3S,4S,6R)-5-(acetylamino)-4,6-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl]methoxy}methyl)-4-hydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl]methoxy}methyl)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl]acetamide (non-preferred name);
Molecular Structure: a-chitin 1398-61-4
if you are sourcing a-chitin from China ,just feel free to inquire
ChemNet  |   Product  |   Suppliers  |   Buy  |   Sell  |   News  |   REACH  |   Directory  |   CAS  |   Resource
ChemNet is a registered trademark of Zhejiang NetSun Co., Ltd.
主站蜘蛛池模板: 南通市| 安西县| 察雅县| 郯城县| 隆昌县| 玉树县| 临夏县| 香港 | 丰都县| 金昌市| 阳城县| 蓬溪县| 合江县| 衡阳县| 德州市| 石柱| 荃湾区| 昌都县| 南部县| 青浦区| 阿荣旗| 改则县| 桂林市| 从化市| 射阳县| 台东市| 民县| 涡阳县| 唐海县| 华坪县| 黄冈市| 陈巴尔虎旗| 茂名市| 珲春市| 英吉沙县| 逊克县| 安仁县| 内丘县| 田林县| 乌恰县| 光泽县|