(5R,7S,10R)-11-Allyloxy-2,2,12-trimethyl-4,5,7,10-tetrahydro-1,3,15,17-tetraoxa-6-aza-cyclopenta[a]phenanthrene-6,7-dicarboxylic acid 7-ethyl ester 6-(2,2,2-trichloro-ethyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 854021-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,0,2 and 1 respectively; the second part has 2 digits, 8 and 3 respectively. Calculate Digit Verification of CAS Registry Number 854021-83: (8*8)+(7*5)+(6*4)+(5*0)+(4*2)+(3*1)+(2*8)+(1*3)=153 153 % 10 = 3 So 854021-83-3 is a valid CAS Registry Number.
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