1,3-Benzenediol, 5-methyl-2-(3,7,11-trimethyl-2,6,10-dodecatrienyl)-,
bis(4-nitrobenzoate), (E,E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 17909-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,0 and 9 respectively; the second part has 2 digits, 6 and 7 respectively. Calculate Digit Verification of CAS Registry Number 17909-67: (7*1)+(6*7)+(5*9)+(4*0)+(3*9)+(2*6)+(1*7)=140 140 % 10 = 0 So 17909-67-0 is a valid CAS Registry Number.