192-bromodononacontahecta-12,24,36,48,60,72,84,96,108,120,132,144,156,168,180-pentadecaenal ethylene acetal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 116722-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,7,2 and 2 respectively; the second part has 2 digits, 3 and 1 respectively. Calculate Digit Verification of CAS Registry Number 116722-31: (8*1)+(7*1)+(6*6)+(5*7)+(4*2)+(3*2)+(2*3)+(1*1)=107 107 % 10 = 7 So 116722-31-7 is a valid CAS Registry Number.