1,1',2,2',3,3',4,4',5-Nonamethyl-benzophenon is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 22191-48-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,9 and 1 respectively; the second part has 2 digits, 4 and 8 respectively. Calculate Digit Verification of CAS Registry Number 22191-48: (7*2)+(6*2)+(5*1)+(4*9)+(3*1)+(2*4)+(1*8)=86 86 % 10 = 6 So 22191-48-6 is a valid CAS Registry Number.
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