1187-84-4
- Product Name:99% Purity S-Methyl-L-Cysteine Amino Acid Powder CAS 1187-84-4
- Molecular Formula:C4H9NO2S
- Purity:99%
- Molecular Weight:
Product Details;
CasNo: 1187-84-4
Molecular Formula: C4H9NO2S
Appearance: White Powder
Delivery Time: Within 3 working days
Throughput: 3000|Metric Ton|Month
Purity: 99%
S-Methyl-L-Cysteine Amino Acid Powder CAS 1187-84-4
Basic information
Product name: | s-methyl-l-cysteine |
Synonyms: | (r)-2-amino-3-(methylmercapto)propionic acid;s-methyl-cysteine;s-methyl-l-cysteine;h-l-cys(me)-oh;h-cys(me)-oh;alanine, 3-(methylthio)-, l-;l-ch3sch2ch(nh2)cooh;l-cysteine, s-methyl- |
Cas: | 1187-84-4 |
mf: | c4h9no2s |
mw: | 135.18 |
product categories: | amino acids derivatives;cysteine [cys, c];amino acids and derivatives;amino acid derivatives |
mol file: | 1187-84-4.mol |
chemical properties |
melting point | ~240 °c (dec.) |
boiling point | 300.3 °c at 760 mmhg |
alpha | -29.5 º (c=1,water) |
density | 1.26 g/cm3 |
refractive index | -30 ° (c=2, h2o) |
vapor pressure | 0.000267 mmhg at 25°c |
flashing point | 135.4 °c |
storage temp. |
−20°c
|
ITEMS | SPECIFICATION | TESTRESULTS |
Appearance | Off-white or white powder | Conforms |
Identification | HPLC,NMR;LC-MS | Conforms |
Related substances | Individual impurity≤0.5% | 0.09% |
Total impurities≤1.0% | 0.20% | |
Loss on drying | ≤0.5% | 0.3% |
Residue on ignition | ≤0.1% | 0.04% |
Heavy metals | ≤10ppm | Conforms |
Assay | ≥98.0 % | Conforms |
Packaging | 1kg-15kg packing | 2 PE bag inside + 1 foil bag outside in carton | ||
25kg-50kg packing | 2 PE bag inside + 1 foil bag outside in drum | |||
Other packing | Customized packing | |||
Drum Size | D38cm*H60cm or customized, 25 kg/ drum | |||
Shipping | 1-50kg | International Express | Fast and convenient | Door to Door |
50-500kg | Air Transportation | Fast and cheap | To Air Port | |
Above 500kg | Sea Transportation | Cheap and convenient | To Port |
Q1: How to contact with us
Whatsapp us or send us e-mail, you will get reply within 24 hours. Please contact us without hesitation.
Q2: Which kind of payment terms do you accept
We support multiple trading methods and payment such as T/T, L/C, D/A, D/P, O/A, MoneyGram, Credit Card, PayPal, Western Union, Escrow and etc. Please contact us if you need more info.
Q3: How can i get a sample
Yes, you can get free samples for some products, but the shipping cost would be paid by customers.
Q4: How to confirm the Product Quality before placing orders
You can get some sample, or we can send certificate of analysis or HPLC or NMR to you.
Q5: How to guarantee the quality of your products
Strict sampling inspection on products before shipment and intact product packaging ensured.
Q6: How can I make payment safe
The whole transaction is under Third party inspection.
Q7: Whether you could make our brand on your products
Yes. We can print your Logo on the packages if you can meet our MOQ.
1.Best quality with competitive price.
2.Quick shipping,delivery on time.
3.Trade Assurances
4. Support multiple trading methods and payment. We support wire transfer, western union, Paypal payment.
5.One to one business communication
6.OEM/ODM Available.
7.We offer convenient one-station purchasing service.Our professional and thoughtful after-sales service eliminates your worries.
8. We has many years’ exporting experience in active pharmaceutical ingredient products, strictly on selecting raw materials
9.Our distribution capabilities include:
Flexible deliveries, intelligent solutions
Anything from bulk shipments of thousands of tonnes down to the smallest shipment of packed goods and even samples.
Bulk - storage and transport of powders and liquids – movement of goods in ships - powders and bulk liquids
Pharmaceutical, feed and food storage to accredited standards
Segregated materials by business unit and hazard classification
Temperature controlled storage and transport
Effective cost control
Re-packing, drum filling, bagging
Customer delivery KPI's on delivery fulfillment performance