2,2-bis-(1,1,3,3,5-pentamethyl-5,5-diphenyl-trisiloxan-1-yloxy)-1,2,3,4-tetrahydro-benzo[c]siline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 34690-64-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,6,9 and 0 respectively; the second part has 2 digits, 6 and 4 respectively. Calculate Digit Verification of CAS Registry Number 34690-64: (7*3)+(6*4)+(5*6)+(4*9)+(3*0)+(2*6)+(1*4)=127 127 % 10 = 7 So 34690-64-7 is a valid CAS Registry Number.