1β,2α,3,4,4a,4bα,5,6,7,9β,10,10aα-dodecahydro-9α-hydroxy-1α,4aβ-dimethyl-7-oxo-2β-phenanthrol 2-methyl ether is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 90397-69-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,9 and 7 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 90397-69: (7*9)+(6*0)+(5*3)+(4*9)+(3*7)+(2*6)+(1*9)=156 156 % 10 = 6 So 90397-69-6 is a valid CAS Registry Number.