1-24 Kilograms
$19.00
25-99 Kilograms
$15.00
≥100 Kilograms
$12.00
Introduction of L-Cysteine hydrochloride monohydrate
L-Cysteine hydrochloride monohydrate is an amino acid common in vivo, can be transformed from the body of methionine, cystine can be transformed with each other.
Specificationof L-Cysteine hydrochloride monohydrate
| Specific rotation | + 5.5 ° - + 7.0 ° | + 5.7 ° - + 6.8 ° | 5.5 ° - + 7.0 ° |
| Dissolving condition | >=98.0% | --- | >=98.0% |
| Chlorinity | 19.89-20.29% | --- | 19.8 – 20.8% |
| Ammonium salt (NH4) | ≤ 0.02% | --- | --- |
| Sulfate (SO4) acuities | 0.020% | 0.03% | <= 0.02% |
| Fe | ≤ 10PPm | ≤ 30PPm | ≤ 10PPm |
| Heavy metal (Pb) | ≤ 10PPm | ≤ 15PPm | ≤ 10PPm |
| Arsenic salt (As2O3) | ≤ 1PPm | --- | ≤ 1PPm |
| Other amino acids | --- | --- | ≤ 0.5% |
| Loss on drying | 8.5 - 12.0% | 8.5 - 12.0% | 8.5 - 12.0% |
| Ignition residue (sulfated) acuities | ≤ 0.10% | ≤ 0.4% | ≤ 0.1% |
| Content | 99.0-100.5% | 98.5-101.5% | ≥ 98.5% |
| Ph | 1.5-2.. | 0-1 | 5-2.0 |
| Organic volatile matter | ---- | --- | Organic volatile matter |
1. L-Cysteine hydrochloride monohydrate has an effective detoxification.
Shipping Terms | ||
By Express | By Air | By Sea |
Suitable for under 50kg Fast: 3-7 days High cost Door to door service, easy to pick up the goods | Suitable for more than 50kg Fast: 3-7 days High cost Port to port, professional broker needed | Suitable for more than 500kg Slow: 7-45 days Low cost Port to port, professional broker needed |
1. Your inquiry related to our products or prices will be replied in 12hours.
2. Well-trained and experienced staffs to answer your enquires in fluent English.
3. All our products have high quality warranties.
4. Sample order can be delivered within 3 working days, small order 3-5working days, mass order 7-10working days.
5. Samples can be offered by free,customers just need to pay the freight.But the freight can be returned to our customer after he/she places formal order with us.
Qingdao Sigma Chemical Co., Ltd.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.
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
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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- 1203 Town Center Drive FL 33458 USA
- +86 18661891880
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