1,1':4',1'':4'',1''':4''',1'''':4'''',1''''':4''''',1''''''-Septiphenyl,
2,2',2''''',2'''''',5,5',5''''',5''''''-octamethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 66252-70-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,5 and 2 respectively; the second part has 2 digits, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 66252-70: (7*6)+(6*6)+(5*2)+(4*5)+(3*2)+(2*7)+(1*0)=128 128 % 10 = 8 So 66252-70-8 is a valid CAS Registry Number.
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2,2',2''''',2'''''',5,5',5''''',5''''''-octamethyl-