(8R,9S,13S,14S,17S)-3-methoxy-13-methyl-6,7,8,9,11,12,13,14,15,16-decahydrospiro(cyclopenta[a]phenanthrene-17,2'-oxirane) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 16669-02-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,6 and 9 respectively; the second part has 2 digits, 0 and 2 respectively. Calculate Digit Verification of CAS Registry Number 16669-02: (7*1)+(6*6)+(5*6)+(4*6)+(3*9)+(2*0)+(1*2)=126 126 % 10 = 6 So 16669-02-6 is a valid CAS Registry Number.