5-hydroxy-1,1,4a-trimethyl-trans-3,4,4a,5,6,7,8,8a-octahydronaphthalen-2(1H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 52782-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,8 and 2 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 52782-49: (7*5)+(6*2)+(5*7)+(4*8)+(3*2)+(2*4)+(1*9)=137 137 % 10 = 7 So 52782-49-7 is a valid CAS Registry Number.