N-Ethyl-o-toluenesulfonamide CAS NO.1077-56-1 CAS NO.1077-56-1

appearance:clear pale straw colour viscous light liquid
colour(apha):< 150
odour:no sharp or acid overtone
n-ethyl-o-toluene sulfonamide:65 - 70%
n-ethyl-p-toluene sulfonamide:30±5%
n-ethyl-m-toluene sulfonamide:< 5%
specific gravity:1.180-1.190
moisture:< 0.5%
ash:< 0.3%
viscosity at 25℃:>300
free acid:< 0.1%

process capability:our r&d center building area is 1811 square meters, with 5 contributing proffesor of technical advisor, 8 dr., 14 masters, and 40 research staff. our level of chemical synthesis is known to the industry. so we have accumulated rich experience in synthetic methods design and exploring the synthesis of new technology. not only we are good in heterocyclic chemistry, chiral chemistry (asymmetric synthesis and enzyme reactions), metal organic synthesis, high throughput chemistry, also specializes in bioorganic chemistry, including nucleosides, nucleotides, sugar chemistry, peptide chemistry.

why choose us

1,we produce and sell unique chemicals around the world.

2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.

3,our staff consists of highly qualified individuals with bsc, msc and ph.d degrees in chemistry, as well as excellent carbohydrates,nucleosides, small molecules and rare chemicals.

4,imaginechem's chemists are skilled at performing complex, multi-step syntheses and solving difficult chemistry-related problems. because of our better, concentracted size and low overheads, we are able to offer prompt quotations, very competitive prices, high quality products and fast delivery.

5,all chemicals are typically >97% for building blocks, the structure and purity is confirmed by nmr and lc-ms. intermediates and final products are analyzed by gc, hplc, ir, nmr, ms, elemental analysis, atom-absorpting analysis and crystallographical methods.

6,stable quality, high quality satisfy customer's high grade sourcing request. competitive price . correct delivery time promise. continuous improvement make sure the long-term cooperation. honest service for your whole sourcing process.

because of our better, we are able to offer prompt quotations, very competitive prices, high quality products and fast delivery. we can provide recipes and professional suggestions to promote yourselves. tracking number and packing photoes can be given quickly after your goods sent. high quality, best price, first-class service, high successful delivery rate, we have stock, so we can delivery quickly at the very day when payment is arrived.