(17s,18s,19s,20s)-34,35,74,75,114,115,154,155-octaamino-17,18,19,20-tetraundecyl-2,4,6,8,10,12,14,16-octaoxa-3,7,11,15(1,2),1,5,9,13(1,2,4,5)-octabenzenapentacyclo[11.3.1.11,5.15,9.19,13]icosaphane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 229171-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,1,7 and 1 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 229171-53: (8*2)+(7*2)+(6*9)+(5*1)+(4*7)+(3*1)+(2*5)+(1*3)=133 133 % 10 = 3 So 229171-53-3 is a valid CAS Registry Number.
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