3,4,5,7,9,10,11,12-Octa-tert-butyltricyclo<6.4.0.02,6>dodecaarsan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 98901-04-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,0 and 1 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 98901-04: (7*9)+(6*8)+(5*9)+(4*0)+(3*1)+(2*0)+(1*4)=163 163 % 10 = 3 So 98901-04-3 is a valid CAS Registry Number.