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our company was built in 2009 with an iso certificate.in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we had established stable business relationships with samsung,lg,merck,thermo fisher scientific and so on.our main business covers the fields below:
1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.customs synthesis
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5.α.-pregnane-3.β.,17.α.,21-triol-11,20-dione 21-acetate
cas no.: 17736-20-8
synonyms:
3alpha,17,21-trihydroxy-5beta-pregnane-11,20-dione 21-acetate;
tetrahydrocortisone 21-acetate;
formula: c23h34o6
exact mass: 406.23600
molecular weight: 406.51200
psa: 100.90000
logp: 2.43230
density: 1.228g/cm3
boiling point: 557ºc at 760mmhg
flash point: 187.4ºc
refractive index: 1.549
vapor pressure: 9.97e-15mmhg at 25°c
5.α.-pregnane-3.β.,17.α.,21-triol-11,20-dione 21-acetate
cas no.: 17736-20-8
synonyms:
3alpha,17,21-trihydroxy-5beta-pregnane-11,20-dione 21-acetate;
tetrahydrocortisone 21-acetate;
formula: c23h34o6
exact mass: 406.23600
molecular weight: 406.51200
psa: 100.90000
logp: 2.43230
density: 1.228g/cm3
boiling point: 557ºc at 760mmhg
flash point: 187.4ºc
refractive index: 1.549
vapor pressure: 9.97e-15mmhg at 25°c