4,6-Ethenocycloprop[f]isoindole-1,3(2H,3aH)-dione,4,4a,5,5a,6,6a-hexahydro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 25547-30-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,4 and 7 respectively; the second part has 2 digits, 3 and 0 respectively. Calculate Digit Verification of CAS Registry Number 25547-30: (7*2)+(6*5)+(5*5)+(4*4)+(3*7)+(2*3)+(1*0)=112 112 % 10 = 2 So 25547-30-2 is a valid CAS Registry Number.