7ξ-benzyl-7ξ-hydroxy-5,6t-dimethyl-(3ar,6ac,9acC1)-3,3a,6,6a,7,8-hexahydro-furo[3,4-d]isoindole-1,9-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 57258-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,5 and 8 respectively; the second part has 2 digits, 5 and 6 respectively. Calculate Digit Verification of CAS Registry Number 57258-56: (7*5)+(6*7)+(5*2)+(4*5)+(3*8)+(2*5)+(1*6)=147 147 % 10 = 7 So 57258-56-7 is a valid CAS Registry Number.