1-Naphthalenepropanol,R-ethenyl-1,2,3,4,4a,7,- 8,8a-octahydro-R,1,2,4a,5-pentamethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 19941-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,4 and 1 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 19941-81: (7*1)+(6*9)+(5*9)+(4*4)+(3*1)+(2*8)+(1*1)=142 142 % 10 = 2 So 19941-81-2 is a valid CAS Registry Number.