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94109-62-3

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94109-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94109-62-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,1,0 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94109-62:
(7*9)+(6*4)+(5*1)+(4*0)+(3*9)+(2*6)+(1*2)=133
133 % 10 = 3
So 94109-62-3 is a valid CAS Registry Number.
InChI:InChI=1/2C19H23NO3.H2O4S/c2*1-19(2,3)20(12-14-7-5-4-6-8-14)13-18(23)15-9-16(21)11-17(22)10-15;1-5(2,3)4/h2*4-11,21-22H,12-13H2,1-3H3;(H2,1,2,3,4)

94109-62-3Downstream Products

94109-62-3Relevant articles and documents

Terbutaline sulfate intermediate, preparation method thereof and method for preparing terbutaline sulfate by using same (by machine translation)

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, (2020/08/22)

The invention discloses a terbutaline sulfate intermediate and a preparation method thereof as well as a method for preparing terbutaline sulfate by using the same, and belongs to the technical field of pharmaceutical chemistry. The invention provides a novel method for preparing terbutaline sulfate which is mild in reaction condition, high in yield and environmentally friendly, and firstly provides a terbutaline sulfate intermediate shown as a formula I; then, a catalyst is used as 10% Pd/C, an alcohol aqueous solution is used as a solvent, and hydrogenation is reduced to obtain the terbutaline II sulfate. The free base hydrochloride or hydrobromide of the formula I is converted into the formula I before hydrogenation reduction, then the terbutaline sulfate is directly obtained after hydrogenation reduction, and the advantages of mild reaction conditions, high product yield, high purity, low production cost and the like are avoided. (by machine translation)

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