2H-10,4a-(Epoxymethano)phenanthren-3(1H)-one,
5,6,7,8,8a,9,10,10a-octahydro-2-(1-hydroxy-1-methylethyl)-8,8-dimethyl
- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 89837-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,3 and 7 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 89837-43: (7*8)+(6*9)+(5*8)+(4*3)+(3*7)+(2*4)+(1*3)=194 194 % 10 = 4 So 89837-43-4 is a valid CAS Registry Number.