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19340-88-6

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19340-88-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19340-88-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,4 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19340-88:
(7*1)+(6*9)+(5*3)+(4*4)+(3*0)+(2*8)+(1*8)=116
116 % 10 = 6
So 19340-88-6 is a valid CAS Registry Number.

19340-88-6Relevant articles and documents

CATALYST FOR CONVERTING ESTER TO AMIDE USING HYDROXYL GROUP AS ORIENTATION GROUP

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Paragraph 0059; 0072-0073, (2021/03/13)

Provided is a method for amidating a hydroxy ester compound at a high chemical selectivity. The amidation reaction method for a hydroxy ester compound comprises, in the presence of a catalyst containing a compound of a transition metal of the group 4 or group 5 in the periodic table, reacting at least one kind of hydroxy ester compound selected from the group consisting of an α-hydroxy ester compound, a β-hydroxy ester compound, a γ-hydroxy ester compound and a δ-hydroxy ester compound with an amino compound so as to amidate an ester group having a hydroxyl group at the α-, β-, γ- or δ-position of the hydroxy ester compound.

Preparation method of hydroxyamide

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Paragraph 0076-0079, (2020/02/10)

The invention discloses a preparation method of a hydroxyamide shown as formula (I). The hydroxyamide is prepared through homogeneous catalytic hydrogenation reaction of a cyclic imide represented byformula (II), wherein R1, R2 and R3 are respectively and

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