1β,2,3,4,4a,4bα,5,6β,7,9β,10,10aα-dodecahydro-1α,4aβ-dimethyl-2β-methoxy-6α-chloro-9α-hydroxy-7-phenanthrone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 90397-70-9 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, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 90397-70: (7*9)+(6*0)+(5*3)+(4*9)+(3*7)+(2*7)+(1*0)=149 149 % 10 = 9 So 90397-70-9 is a valid CAS Registry Number.