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

90475-91-5

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90475-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90475-91-5 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 90475-91:
(7*9)+(6*0)+(5*4)+(4*7)+(3*5)+(2*9)+(1*1)=145
145 % 10 = 5
So 90475-91-5 is a valid CAS Registry Number.

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