(3aS,5aR,9aR,9bS)-2,2,3a,8,8-Pentamethyl-tetrahydro-[1,3]dioxolo[4',5':4,5]pyrano[3,2-d][1,3]dioxin-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 512781-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,2,7,8 and 1 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 512781-91: (8*5)+(7*1)+(6*2)+(5*7)+(4*8)+(3*1)+(2*9)+(1*1)=148 148 % 10 = 8 So 512781-91-8 is a valid CAS Registry Number.