1,1':3',1'':3'',1''':3''',1''''-Quinquephenyl,
2,2',2'',2''',2''''-pentamethoxy-5,5',5'',5''',5''''-pentamethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 110569-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,5,6 and 9 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 110569-99: (8*1)+(7*1)+(6*0)+(5*5)+(4*6)+(3*9)+(2*9)+(1*9)=118 118 % 10 = 8 So 110569-99-8 is a valid CAS Registry Number.