2,4-DICHLORO-N-(7-HYDROXY-2-OXO-2H-CHROMEN-3-YL)BENZENECARBOXAMIDE is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 338755-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,7,5 and 5 respectively; the second part has 2 digits, 9 and 0 respectively. Calculate Digit Verification of CAS Registry Number 338755-90: (8*3)+(7*3)+(6*8)+(5*7)+(4*5)+(3*5)+(2*9)+(1*0)=181 181 % 10 = 1 So 338755-90-1 is a valid CAS Registry Number.
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