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:
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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