China API Methyldopa CAS 41372-08-1China API Methyldopa CAS 41372-08-1China API Methyldopa CAS 41372-08-1China API Methyldopa CAS 41372-08-1

China API Methyldopa CAS 41372-08-1

  • Molecular Formula: C10H13NO4.3/2H2O
  • Molecular Weight: 158.195
  • CAS No.: 54-85-3
  • EINECS No.:209-089-2
  • Other Names: alpha-Methyldopa sesquihydrate
  • Heavy metals:10ppm Max
  • Total plate count:≤1000cfu/g
  • Yeast and Moulds:≤100cfu/g
  • Competitive price with high quality
  • Conforms to USP39

Product Description

 

Methyldopa

 

Brief Description

 

Molecular Formula: C10H13NO4.3/2H2O

Molecular Weight: 158.195

CAS No.: 41372-08-1

EINECS No.:209-089-2

Other Names: alpha-Methyldopa sesquihydrate

Heavy metals:10ppm Max

Total plate count:≤1000cfu/g

Yeast and Moulds:≤100cfu/g

Competitive price with high quality

Conforms to USP39

 

Methyldopa Specification

 

ITEMS

SPECIFICATION

RESULTS

Appearance

White to yellowish-white fine powder

Yellowish-white fine powder

Solubility

Meets the requirements

Meets the requirements

Identification

IR: The sample comparing with the spectrum obtained with standard

Complies

Absorbance: 3% value if the standard

0.1%

Color reaction: Positive

Positive

Specific rotation

-25.0°~ -28.0°

-26.1°

Acidity

≤ 0.50ml/g

0.11ml/g

Water

10.0% ~ 13.0%

11.2%

Residue on ignition

0.1%

0.03%

Heavy metals

0.001%

< 0.001%

3-O-Methylmethyldopa

0.5%

0.5%

Residual solvent

Methanol ≤ 3000ppm

< 3000ppm

Dichlorometane ≤ 600ppm

< 600ppm

Benzene ≤ 2ppm

< 2ppm

Toluene ≤ 890ppm

< 890ppm

Ethanol ≤ 5000 ppm

ND

Assay

98.0% ~ 101.0% C8H11N5O3 (on dried basis)

99.5%

ConclusionComplies with USP39 standard.

 

Packaging & Shipping

Methyldopa Packing: 25kg/drum or according to client request
Methyldopa

1~2 weeks after confirm order.Some of the products can be supplied within 7 days on the strength of EDC warehouse.

 

Our Services

1. Exporting chemical products from China over 5 years of experience.

2. Arrange the orders and shipping with requests in time, According to the different countries export policy provide complete customs clearance documents..

3. Variety of high quality chemical products with competitive price.

 

Company Information

Hubei Ocean Biotechnology has concentrated on food additives,Vitamins,and some relative chemicals for over 20 years domestic experience and 5 years of international experience.

 

FAQ

1. What's your payment terms?
T/T or L/C.

2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days,due to different products you choose.

3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton,and also as your request bag.

4. How about the validity of the products?
According to the products you ordered.

5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.

 

 

Hubei Ocean Biotech Co., Ltd.

Tel:+86-27-8373-3110

Contact Person:Yolanda

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