1,4,9,9-Tetramethyl-5-acetoxy-2,3,5,6,7,8-hexahydro-4H-3a,7-methano-azulen is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 19419-47-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,1 and 9 respectively; the second part has 2 digits, 4 and 7 respectively. Calculate Digit Verification of CAS Registry Number 19419-47: (7*1)+(6*9)+(5*4)+(4*1)+(3*9)+(2*4)+(1*7)=127 127 % 10 = 7 So 19419-47-7 is a valid CAS Registry Number.