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Calcium Gluceptate or Calcium Glucoheptonate
CAS Number: 29039-00-7 or 17140-60-2
Molecular Formula: C14H26CaO16
Molecular Weight: 490.42
Calcium Gluceptate or Calcium Glucoheptonate
Calcium Gluceptate USP Grade Specifications
C14H26CaO16 (anhydrous) -- 490.42
Glucoheptonic acid, calcium salt (2:1).
Calcium glucoheptonate (1:2) -- [CAS 29039-00-7].
Calcium Gluceptate is anhydrous or contains varying amounts of water of hydration. It consists of the calcium salt of the alpha epimer of glucoheptonic acid or of a mixture of the alpha and beta epimers of glucoheptonic acid. It contains not less than 95.0 percent and not more than 102.0 percent of C 14H26CaO16, calculated on the dried basis.
Labeling: Label it to indicate whether it is hydrous or anhydrous; if hydrous, label it to indicate also the degree of hydration.
Identification:
A: Infrared Absorption 197K.
B: A solution (1 in 50) responds to the tests for Calcium 191 .
pH: between 6.0 and 8.0, in a solution (1 in 10).
Loss on drying: [NOTE—The quantity taken for the determination may be adjusted, if necessary, for instrument sensitivity. Weight loss occurring at temperatures above about 160 degree indicative of decomposition, is not to be interpreted as Loss on drying.] Determine the percentage of volatile substances by thermogravimetric analysis on an appropriately calibrated instrument, using 10 to 25 mg of Calcium Gluceptate accurately weighed. Heat the specimen under test at a rate of 5 degrees per minute in an atmosphere of nitrogen, at a flow rate of 40 mL per minute. Record the thermogram to 150 degree: the anhydrous form loses not more than 1.0%, the 2H2O form not more than 6.9%, and the 3½H2O form not more than 11.4%, of its weight.
Chloride: A 1.0-g portion shows no more chloride than corresponds to 1.0 mL of 0.020 N hydrochloric acid (0.07%).
Sulfate: A 2.0-g portion shows no more sulfate than corresponds to 1.0 mL of 0.020 N sulfuric acid (0.05%).
Heavy metals: Dissolve 1 g in 25 mL of water: the limit is 0.002%.
Reducing sugars: Dissolve 0.50 g in 10 mL of hot water, add 2 mL of 3 N hydrochloric acid, boil for about 2 minutes, and cool. Add 5 mL of sodium carbonate, allow to stand for 5 minutes, dilute with water to 20 mL, and filter. Add 5 mL of the clear filtrate to about 2 mL of alkaline cupric tartrate and boil for 1 minute: no red precipitate is formed immediately.
Assay: Dissolve about 800 mg of Calcium Gluceptate, accurately weighed, in 150 mL of water containing 2 mL of 3 N hydrochloric acid. While stirring, preferably with a magnetic stirrer, add about 25 mL of 0.05 M EDTA disodium from a 50-mL buret. Add 15 mL of 1 N sodium hydroxide and 300 mg of hydroxy naphthol blue, and continue the titration to a blue endpoint. Each mL of 0.05 M EDTA disodium is equivalent to 24.52 mg of C14H26CaO16.
Calcium Glucoheptonate or Calcium Gluceptate is also available as per BP Ph Eur EP monograph.
Please visit SDS Safety Data Sheet of Calcium Gluceptate or Calcium Glucoheptonate Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
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