4-Octadecyl-2,6,13,16,19-pentaoxa-tricyclo[18.4.0.07,12]tetracosa-1(20),7(12),8,10,21,23-hexaen-4-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 214778-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,7,7 and 8 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 214778-75: (8*2)+(7*1)+(6*4)+(5*7)+(4*7)+(3*8)+(2*7)+(1*5)=153 153 % 10 = 3 So 214778-75-3 is a valid CAS Registry Number.