(1R,2R,3S,7S,8S,10R,11R)-7-tert-Butoxy-2,11-dihydroxy-10-methoxymethoxy-8,12,15,15-tetramethyl-4-methylene-tricyclo[9.3.1.03,8]pentadec-12-en-14-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 219136-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,1,3 and 6 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 219136-45: (8*2)+(7*1)+(6*9)+(5*1)+(4*3)+(3*6)+(2*4)+(1*5)=125 125 % 10 = 5 So 219136-45-5 is a valid CAS Registry Number.
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