(2Z,6E,10E,14E)-1-Bromo-3,7,11,15,19-pentamethyl-icosa-2,6,10,14,18-pentaene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 90695-01-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,9 and 5 respectively; the second part has 2 digits, 0 and 1 respectively. Calculate Digit Verification of CAS Registry Number 90695-01: (7*9)+(6*0)+(5*6)+(4*9)+(3*5)+(2*0)+(1*1)=145 145 % 10 = 5 So 90695-01-5 is a valid CAS Registry Number.