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Top quality Ufiprazole with best price 73590-85-9
≥1 Kilogram
$91.20
- Item No.TOPMOQ1 Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Chemical Name: Ufiprazole
CAS No.: 73590-85-9
Molecular Fomula:C17H19N3O2S
Molecular weight: 329.42
Appearance: White powder
Assay:99%
Inspection Items | Accepted Standard | Results |
Appearance | White or off white powder,Odourless, tasteless,very soluble in hot water, practically insoluble inchloroform, acetone. | Off white powder |
Optical rotation | 185.0°~195.0° | 189° |
clarity and color of solution | λ400nm absorbance <0.05,turbidity not deeper than NO1 standard | Complies |
Identification | (1)To complies positive reaction | Complies |
(2) complies with standard | Complies | |
pH | 4.5~6.5 | 5.1 |
Intrinsic viscosity [η] | 15.0~19.0 | 17.7 |
Heavy metals | ≤ 10ppm | Complies |
Loss on drying | ≤ 5.0% | 2.4% |
Sodium chloride(NaCl) | ≤ 0.6% | 0.06% |
MS | 0.43~0.55 | 0.48 |
Glycol | ≤ 0.062% | Complies |
≤ 0.001% | Complies | |
Chlorethyl alcohol | ≤ 0.0005% | Complies |
weight-average molecular weight | 190000~290000 | 231300 |
weight-average molecular weight(10%department) | ≤780000 | 562200 |
weight-average molecular weight(90%department) | ≥13000 | 48600 |
Should complies | Complies | |
≤ 10EU/g | Complies | |
Should complies (Mould and yeast≤ <10CFU/G) | Complies | |
Assay | ≥98.5%(on dry base,deducts the sodium chloride) | 99.8% |
Omeprazole sulfide is an important intermediate of esomeprazole sodium.
Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Answer: Yes, we are factory founded on 2002.
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Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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