1,1'-diacetyl-5,5'-diphenyl-4,5,4',5'-tetrahydro-1H,1'H-3,3'-benzo[1,2-d;4,5-d']bisoxazole-2,6-diyl-bis-pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 72129-97-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,2 and 9 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 72129-97: (7*7)+(6*2)+(5*1)+(4*2)+(3*9)+(2*9)+(1*7)=126 126 % 10 = 6 So 72129-97-6 is a valid CAS Registry Number.