成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid

5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid ??? ???
?? ??:
1895027-47-0
???:
5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid
???(??):
5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid
CBNumber:
CB64899918
???:
C7H5N3O2
??? ??:
163.13
MOL ??:
1895027-47-0.mol

5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid ??

??
1.617±0.06 g/cm3(Predicted)
?? ?? (pKa)
11.79±0.50(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P321 (…) ??? ???.
P330 ?? ?????.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P362 ??? ??? ?? ?? ?? ?????
P501 ...? ??? / ??? ?? ???.

5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid C??? ??, ??, ??

5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid ?? ?? ? ???

???

?? ??


5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid ?? ??

???( 7)?? ??
??? ?? ??? ?? ?? ? ??
Aladdin Scientific
+1-+1(833)-552-7181
sales@aladdinsci.com United States 52925 58
Lanzhou Kangyuxin Biotechnology Co., Ltd. 0931-4190454 13893344397
sales@kyxpharma.com China 2544 58
Shanghai Kaiwei Chemical Technology Co., Ltd. 021-58461859 15821823057
service@aiviche.com China 49312 58
Shanghai Haohong Pharmaceutical Co., Ltd. 4008210725 4008210725
malulu@leyan.com China 54986 58
Block Chemical Technology (Shanghai) Co., LTD 021-20432219 13918097649
li_jinfei@acblock-lab.com China 9964 58
PharmaBlock Sciences (Nanjing), Inc. 4000255188 13327728092
sales@pharmablock.com China 9698 58
Huanuo Pharmaceutical Technology (Guangxi) Co., Ltd 13005928603
211017228@qq.com China 6646 58

Copyright 2019 ? ChemicalBook. All rights reserved