(2E,5E,8E)-(4R,7S,12S,13R)-13-Hydroxy-7-methoxy-4,8,12-trimethyl-4-(tetrahydro-pyran-2-yloxy)-tetradeca-2,5,8-trienoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87518-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,1 and 8 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 87518-69: (7*8)+(6*7)+(5*5)+(4*1)+(3*8)+(2*6)+(1*9)=172 172 % 10 = 2 So 87518-69-2 is a valid CAS Registry Number.
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