(2S,4aβ,10aα)-7α-(Acetyloxy)-3,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-8aβ-hydroxy-2β,4bα-dimethyl-1(2H)-phenanthrenone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 41853-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,5 and 3 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 41853-21: (7*4)+(6*1)+(5*8)+(4*5)+(3*3)+(2*2)+(1*1)=108 108 % 10 = 8 So 41853-21-8 is a valid CAS Registry Number.