2',3'-Dihydro-1,2',5',8,10'-pentahydroxy-3,7'-dimethoxy-2',6-dimethyl[2,9'-bianthracene]-4',9(1'H,10H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 40451-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,5 and 1 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 40451-45: (7*4)+(6*0)+(5*4)+(4*5)+(3*1)+(2*4)+(1*5)=84 84 % 10 = 4 So 40451-45-4 is a valid CAS Registry Number.
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