ChemNet > CAS > 957-68-6 7-Aminocephalosporanic acid

957-68-6 7-Aminocephalosporanic acid

?????? ?? ???	7-Aminocephalosporanic acid
???????? ???	7-Aminocephalosporanic acid; 3-(Acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-amino-8-oxo-; 3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; (6R,7R)-3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 7-ACA; 7-Amino Cephalosporanic Acid
????? ????????	C₁₀H₁₂N₂O₅S
?????? ???	272.2777
InChI	InChI=1/C10H12N2O5S/c1-4(13)17-2-5-3-18-9-6(11)8(14)12(9)7(5)10(15)16/h6,9H,2-3,11H2,1H3,(H,15,16)/t6-,9-/m1/s1
??? ??????? ??????	957-68-6
EINECS	213-485-0
????? ??????
?????	1.6g/cm³
??????	300℃
????? ?? ???	560.6°C at 760 mmHg
??????? ???????	1.66
????? ???????	292.9°C
????? ?? ????	4.87E-14mmHg at 25°C
???? ??????	Xi:Irritant;
???? ?? ???	R42/43:;
??????? ?????	S24/25:;

Chemicals Suppliers(18):: 1Hangzhou Pharma & Chem Co.,Ltd.; 2N-Techem International Co.Ltd.; 3AFINE CHEMICALS LIMITED; 4Hangzhou Royal Import & Export Co.,Ltd.; 5Puho Pharmaceutical Co.,Limited; 6Jiangsu Huize Import & Export Co., Ltd.; 7Chemaxcel Corporation; 8Sunmore Healthcare Co., LTD.; 9Louston International; Contact Suppliers; Post Buying Leads; Related selling offers

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