(Z)-(1R,3aS,4S,9aS)-4-Methoxy-2,2,4,8-tetramethyl-2,3,3a,4,5,6,9,9a-octahydro-1H-cyclopentacycloocten-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 90144-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,4 and 4 respectively; the second part has 2 digits, 7 and 2 respectively. Calculate Digit Verification of CAS Registry Number 90144-72: (7*9)+(6*0)+(5*1)+(4*4)+(3*4)+(2*7)+(1*2)=112 112 % 10 = 2 So 90144-72-2 is a valid CAS Registry Number.