daim ntawv tshaj tawm

khoom

7-Dehydrocholesterol CAS 434-16-2

Kev Piav Qhia Luv:

Lub Npe Tshuaj: 7-Dehydrocholesterol

Cov Lus Txhais: Provitamin D3; Cholecalciferol EP Impurity B

Kev huv huv: ≥90%

CAS No. 434-16-2


Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

Kev piav qhia txog khoom

7-Dehydrocholesterol

Lub npe tshuaj: 7-Dehydrocholesterol

Cov mis: C27H44TUS
CAS Naj Npawb: 434-16-2

Tus qauv zoo:

COV KHOOM
COV LUS QHIA

Qhov tsos

Yuav luag dawb rau hmoov daj

Kev Hloov Tshwj Xeeb

-105°~ -120°(C=1, CHCl3)

Qhov kub yaj 140 ~ 146 ℃

Poob thaum ziab

≤7.0%

Kev Ntsuas (ntawm qhov qhuav)

≥90.0%

 


  • Yav dhau los:
  • Tom ntej no:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb