3,10,17,24,31-pentaoxa-2,4,9,11,16,18,23,25,30,32-decasilatritriacontane, 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25,30,30,32,32-eicosamethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 18856-28-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,5 and 6 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 18856-28: (7*1)+(6*8)+(5*8)+(4*5)+(3*6)+(2*2)+(1*8)=145 145 % 10 = 5 So 18856-28-5 is a valid CAS Registry Number.
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