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3-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-oxo-2-phenylazo-propionitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90475-90-4

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90475-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90475-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,7 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90475-90:
(7*9)+(6*0)+(5*4)+(4*7)+(3*5)+(2*9)+(1*0)=144
144 % 10 = 4
So 90475-90-4 is a valid CAS Registry Number.

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