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73464-63-8

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73464-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73464-63-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,6 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73464-63:
(7*7)+(6*3)+(5*4)+(4*6)+(3*4)+(2*6)+(1*3)=138
138 % 10 = 8
So 73464-63-8 is a valid CAS Registry Number.

73464-63-8Upstream product

73464-63-8Downstream Products

73464-63-8Relevant articles and documents

Manganese (II) chelate manufacture

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, (2008/06/13)

The process of this invention for preparing Mn(II) chelate comprises forming the Mn(II) chelate by mixing manganese(II) oxide (insoluble) with an aqueous suspension comprising a molar equivalent or molar excess of the insoluble protonated chelating compound at a temperature of from 20° to 50° C. When the reaction is carried out with a protonated chelating agent in the absence of base, a precipitate of the protonated Mn(II) chelate is formed. A low osmolarity Mn(II) chelate solution can be formed from the precipitates by dissolving them in an aqueous solution of base. When the initial chelate forming reaction is carried out in a solution containing a molar equivalent or excess of sodium hydroxide, a low osmolarity solution of the Mn(II) chelate is directly formed with most chelating agents. Preferred chelating compounds for this process include DPDP, DTPA, DCTA, EDTP, DOTA, DOXA, DO3A and EDTA. The Mn(II) chelate precipitates and low osmolarity solutions formed by the above processes are also aspects of this invention.

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