CAS: 1433-08-5|3,9-Dimethoxy-6H-benzofuro[3,2-c][1]benzopyran

Taw qhia thiab daim ntawv thov CAS:1433-08-5|3,9-Dimethoxy-6H-benzofuro[3,2-c][1]benzopyran

Specification of CAS: 1433-08-5|3,9-Dimethoxy-6H-benzofuro[3,2-c][1]benzopyran

Melting point 200-201 degree
Kub taw tes 463.9 ± 4 0.0 degree (Tshaj tawm)
Qhov ceev 1.271 ± 0.06 g / cm3 (Predicted) 1

Pob ntawm CAS: 1433-08-5|3,9-Dimethoxy-6H-benzofuro[3,2-c][1]benzopyran

1. Thov tshuaj xyuas cov khoom tom qab koj tau txais. Yog tias tsis muaj teeb meem, thov khaws cov khoom hauv Frost thiab khaws cov qauv lub raj mis kaw. Cov khoom tuaj yeem khaws cia ntev txog 24 lub hlis (2-8 degrees Celsius).

2. Thaum twg ua tau, koj yuav tsum siv cov khoom hauv koj qhov kev sim rau tib hnub tom qab nws yaj. Txawm li cas los xij, yog tias koj yuav tsum ua qhov kev sim ua ntej ua ntej, lossis xav tau kom yaj tag nrho, peb xav kom koj khaws cov tshuaj hauv aliquots hauv cov vials kaw ntawm -20 degree . Feem ntau, cov no tuaj yeem siv txog li ob lub lis piam. Ua ntej siv, ua ntej qhib lub raj mis qauv, peb xav kom koj sib npaug ntawm cov khoom rau hauv chav sov li 1 teev.

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