- Animal Extract[4]
- Plant Extract[10]
- Agrochemicals & Pesticides[5]
- Organic Fertilizer[1]
- Amine[1]
- Organic Acid[7]
- Organic Salt[1]
- Other Organic Chemical[1]
- Chemical Auxiliary Agent[10]
- Chemical Reagents[2]
- Daily Chemicals[10]
- Feed Additives[10]
- Food Additives[10]
- Carbonate[1]
- Chloride[1]
- Other Inorganic Salts[3]
- Phosphate[8]
- Organic Intermediate[5]
- Other Chemicals[6]
- Spirulina[4]
- Vitamin A[1]
- Bee Pollen[2]
- Honey[1]
- Royal Jelly[8]
- Other Food & Beverage[9]
- Shellfish[1]
- Sugar[1]
- Fruit & Vegetable Juice[1]
- Black Tea[6]
- Flavor Tea[10]
- Green Tea[2]
- Candles[1]
- Veterinary Medicine[1]
- Healthcare Supplement[10]
- Herbal Medicine[10]
- Pharmaceutical[10]
- Other Household Chemicals[2]
- Bottles[3]
D-Cysteine hydrochloride monohydrate
D-Cysteine hydrochloride monohydrate
CAS# :32443-99-5
Assay:99.8%
M.F.:C3H7NO2S.HCI.H2O
M.W.:175.64
D-Cysteine hydrochloride monohydrate
CAS# :32443-99-5
Assay:99.8%
M.F.:C3H7NO2S.HCI.H2O
M.W.:175.64
Technical index
Standards
Test results
Characters
White crystals or crystalline powder
conforms
Identification
Should show respond
conforms
Specific rotation
-5.5°~ -7.00°
-6.36 °
Chloride(Cl)
Not more than 0.04 %
Less than 0.05 %
Sulfate(SO4)
Not more than 0.030 %
Less than 0.030 %
Iron(Fe)
Not more than 20ppm
Less than 20ppm
Heavy metals(Pb)
Not more than 10ppm
Less than 10ppm
Loss on drying
8.0-12.0%
10.79 %
Residue on ignition
Not more than 0.10 %
0.08%
Other amino acid
Not more than 0.5%
Less than 0.5%
Ammonium(NH4)
Not more than 0.01%
Less than 0.01%
Melting point
106 to 110°C
108.0
The aqua’s clearness
Degree and color
Smaller and yellow No.3 of smaller NO.2 of muddy degree ,color degree
conforms
Assay
98.5 ~ 101.0 % (dried basis)
99.31 %
Conclusion
Comply with EP5
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