4-Methylumbelliferone CAS 90-33-5

CAS:90-33-5

Cov mis molecular:C10H8O3

Qhov Hnyav Molecular:176.17

EINECS:201-986-7

Cov lus txhais:TIMTEC-BB SBB009085; UMBELLIFERONE 47; LABOTEST-BB; LT01272564; COUMARIN 456; COUMARIN 4; HYMECROMONE; IFLAB-BB F1918-0038; AURORA KA-3734; B-METHYLUMBELLIFERONE; BETA-METHYLUMBELLIFERONE

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

4-Methylumbelliferone CAS 90-33-5 yog dab tsi?

4-Methylobelliferone koob siv lead ua zoo li koob. Melting point 185-186 ℃ (194-195 ℃), soluble hauv ethanol, acetic acid, alkaline solutions, thiab ammonia, me ntsis soluble hauv dej kub, ether, thiab chloroform. Xiav fluorescence thaum reacting nrog concentrated sulfuric acid

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
MW	176.17
Qhov kub yaj	188.5-190 ° C (lit.)
Kev dawb huv	me ntsis yaj tau
UA KOM YAJ	Yaj hauv dej.
Cov xwm txheej cia khoom	2-8°C
pKa	7.79 (ntawm 25 ℃)

Daim Ntawv Thov

4-Methylobelliferone yog ib qho tshuaj choleretic thiab yog ib qho nruab nrab ntawm cov tshuaj tiv thaiv kev ua xua sodium succinate. 4-Methylobelliferone laser zas xim, tus qauv rau kev txiav txim siab fluorescence ntawm cov enzyme ua haujlwm. Ib qho cim qhia rau kev ntsuas nitric acid.