(3S,8R,9S,10R,13S,14S,16R)-17-Eth-(E)-ylidene-10,13-dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-16-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 72777-19-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,7 and 7 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 72777-19: (7*7)+(6*2)+(5*7)+(4*7)+(3*7)+(2*1)+(1*9)=156 156 % 10 = 6 So 72777-19-6 is a valid CAS Registry Number.
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