7,8,6',8'-tetrahydro-6H-(7'rN)-spiro[[1,3]dioxolo[4,5-g]isoquinoline-5,7'-indeno[4,5-d][1,3]dioxole]-6't,8'c-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 84229-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,2 and 9 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 84229-91: (7*8)+(6*4)+(5*2)+(4*2)+(3*9)+(2*9)+(1*1)=144 144 % 10 = 4 So 84229-91-4 is a valid CAS Registry Number.