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7-{(Z)-6-[(2,4-Dinitro-phenyl)-hydrazono]-3-methyl-hex-2-enyloxy}-chromen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

31946-99-3

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31946-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31946-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,9,4 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31946-99:
(7*3)+(6*1)+(5*9)+(4*4)+(3*6)+(2*9)+(1*9)=133
133 % 10 = 3
So 31946-99-3 is a valid CAS Registry Number.

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