Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:18623-26-2
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Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:18623-26-2
Min.Order:1 Gram
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Type:Lab/Research institutions
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Cas:18623-26-2
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:18623-26-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Cas:18623-26-2
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inquiryfactory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
Cas:18623-26-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:White to beige crystals Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use a
chloro-trimethyl-silane
B
C17H42O5Si4
C
2,3,4,5-Tetra-O-trimethylsilylxylose
Conditions | Yield |
---|---|
Stage #1: (23S)-21R-O-n-butyl-19-oxo-3β,20ξ,21-trihydroxy-21,23-epoxydammar-24-ene 3-O-[α-L-rhamnopyranosyl(1->2)][β-D-xylopyranosyl(1->3)]-α-L-arabinopyranoside With hydrogenchloride; water In methanol at 90℃; for 6h; Stage #2: chloro-trimethyl-silane With pyridine; 1,1,1,3,3,3-hexamethyl-disilazane at 20℃; for 0.25h; |
chloro-trimethyl-silane
B
C17H42O5Si4
C
2,3,4,5-Tetra-O-trimethylsilylxylose
Conditions | Yield |
---|---|
Stage #1: (23S)-21S-O-n-butyl-19-oxo-3β,20ξ,21-trihydroxy-21,23-epoxydammar-24-ene 3-O-[α-L-rhamnopyranosyl(1->2)][β-D-xylopyranosyl(1->3)]-α-L-arabinopyranoside With hydrogenchloride; water In methanol at 90℃; for 6h; Stage #2: chloro-trimethyl-silane With pyridine; 1,1,1,3,3,3-hexamethyl-disilazane at 20℃; for 0.25h; |
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