bosentan monohydrate cas no 157212-55-0
| Items |
Specifications |
Results |
| Appearance |
White to light yellow crystalline powder |
White powder |
| HPLC Identification |
Consistent with reference material |
Conform to Specification |
| Purity |
| ImpurityA |
≤0.15% |
/ |
| ImpurityB |
≤0.15% |
0.10% |
| ImpurityC |
≤0.15% |
0.07% |
| ImpurityD |
≤0.1% |
/ |
| ImpurityE |
≤0.15% |
/ |
| Total impurities |
≤0.5% |
0.20% |
| solvent remains |
| Methanol |
≤0.3% |
Conform to Specification |
| Acetone |
≤0.5% |
Conform to Specification |
| Ethanol |
≤0.5% |
Conform to Specification |
| Isopropyl acetate |
≤0.5% |
Conform to Specification |
| Toluene |
≤0.089% |
Conform to Specification |
| EG |
≤0.062% |
Conform to Specification |
| Water |
2.0~4.0% |
3.83% |
| Residue on ignition |
≤0.1% |
Conform to Specification |
| Heavy metals) |
≤20ppm |
Conform to Specification |
| Content |
( C27H29N5O6S ) 98.0%~102.0% |
99.35% |
NINGBO SAMREAL CHEMICAL CO.,LTD.authorized by China Foreign Trade & Economic Bureau, is a comprehensive chemical enterprise intergrating technological development,production, sales and service into a whole. We have close cooperating relationship with many stable good manufacturers, which gives us the advantage to provide our customers with qualified products and good services.
With a professional and experienced staff team and profound technical support by cooperating with research institutes, we are also skilled in developing new products for our customers. If you want to source some new product, we are your ideal choose for sure.
Samreal has strict quality control system and quality guarantee for each delivery, which help us win fame and praises from consumers at home and abroad all the time. "Best quality, best prices, best service" is the concept we always persist.
Welcome to receive any inquiry or suggestion from you, we will reply to you within 24 hours in working day. Hope to build a long-term friendly cooperating relationship with you!
Question 1: Can I get samples?
Answer: Yes, some samples are available for free, while the courier cost is afforded by the buyers.
Question 2: When can I get the quotation?
Answer: Our sales team will reply within 24 hours on working days.
Question 3: What's your MOQ?
Answer: For a courier delivery order,the MOQ is normally 100 g~1 kg;
For an air transport order or sea delivery order ,the MOQ is usually 25 kgs.
Question 4: What's your delivery time?
Answer: For a courier delivery order, delivery time is usually 5~7 working days.
For an air transport order,usually around 7~10 working days.
For an sea delivery order , usually around 10~20 working days.
Question 5:How do you treat quality complaint?
Answer: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.
Question 6:How to contact us?
Answer: You can send a product inquiry via Made-in-china;
Or you can call us directly.
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