1,1'-diacetyl-5,5'-bis-(4-nitro-phenyl)-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 72130-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,3 and 0 respectively; the second part has 2 digits, 0 and 1 respectively. Calculate Digit Verification of CAS Registry Number 72130-01: (7*7)+(6*2)+(5*1)+(4*3)+(3*0)+(2*0)+(1*1)=79 79 % 10 = 9 So 72130-01-9 is a valid CAS Registry Number.
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