Shijiazhuang Dingmin pharmaceutical Sciences Co.,Ltd
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Model No.: CAS:56-94-0
Brand: DM
Packaging: As per request
Productivity: 100kg/month
Transportation: Ocean,Land,Air,Express
Place of Origin: Hebei
Supply Ability: 100KG/MONTH
Certificate: ISO9001
Port: SHANGHAI,BEIJING
Payment Type: L/C,T/T,Paypal
Incoterm: CIF,CFR,FOB
Product name:Demecarium bromide
CAS:56-94-0 Veterinary Medicine
USP standard
a potent cholinesterase inhibitor. It is used as a glaucoma agent.
ITEMS SPECIFICATION RESULTS
Appearance White solid powder White powder
Identification A: Infrared Absorption Conforms
B: Dissolve about 100 mg in 50 mL of 1 N
sodium hydroxide, and reflux for 15 minutes.
Cool, and add 3 mL of the refluxed solution to
25 mL of saturated sodium bicarbonate solution.
Add, with mixing, 4 mL of N,
N-dimethyl-pphenylenediamine dihydrochloride solution
(1.5 in 10,000) and 2 mL of sodium hypochlorite solution
(1.5 in 20,000): a violet-blue color is produced. Conforms
C: Dissolve about 50mg in 20ml of water, add
10mL of a 1 in 50 solution o ammonium reineckate
in methanol, add allow to stand for 30 minutes with
occasional swirling: a pink Reineckate of demecarium
forms, and it melts between 131° and 136°,
with decomposition. Conforms
D: A solution of it responds to the tests for Bromide Conforms
PH 5.0 ~ 7.0 (1 in 100) 6.1
Water ≤ 2.0% 0.10%
Residue on ignition ≤ 0.1% 0.08%
Assay 95.0% ~ 100.5% (calculated on the anhydrous) 99.6%
Related Substance
(Limited of m-
trimethylammoniophenol
bromide) No more intense than control preparation Conforms
Storage : Preserve in tight, light-resistant containers
Conclusion : The product conforms to the USP NF 2022 specifications
Product Categories : Veterinary Drug
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