2-2'-(6,7,9,10,12,15,17,18,20,21-decahydro-4H,23H-furo(3,4-i)(1,4,7,12,15,17)hexaoxacyclodocosin-13,14-diyl)bis(methyleneoxyethyleneoxy)diethanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 79289-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,2,8 and 9 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 79289-89: (7*7)+(6*9)+(5*2)+(4*8)+(3*9)+(2*8)+(1*9)=197 197 % 10 = 7 So 79289-89-7 is a valid CAS Registry Number.
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