(E)-ethyl 3-((3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethyl-3,3a,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13, 13a-octadecahydro-2H-cyclopenta[a]chrysen-3a-yl)acrylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 1443513-45-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,5,1 and 3 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 1443513-45: (9*1)+(8*4)+(7*4)+(6*3)+(5*5)+(4*1)+(3*3)+(2*4)+(1*5)=138 138 % 10 = 8 So 1443513-45-8 is a valid CAS Registry Number.
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