5β-tert-butoxy-3aα,4,4a,5,6,7,7aα,8,9,9aβ-decahydro-4α-hydroxy-4aβ,8α-dimethyl-azuleno<6,5-b>furan-2(3H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 80178-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,1,7 and 8 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 80178-91: (7*8)+(6*0)+(5*1)+(4*7)+(3*8)+(2*9)+(1*1)=132 132 % 10 = 2 So 80178-91-2 is a valid CAS Registry Number.