(4bR,8aS,10aS)-(-)-1,4b,5,6,7,8,8a,9,10,10a-decahydro-4b-methoxymethoxymethyl-8,8-dimethylphenanthren-3(2H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 108642-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,6,4 and 2 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 108642-75: (8*1)+(7*0)+(6*8)+(5*6)+(4*4)+(3*2)+(2*7)+(1*5)=127 127 % 10 = 7 So 108642-75-7 is a valid CAS Registry Number.