1,2,3,4,7,8,9,10-Octachloro-5a,11a-diphenyl-5a,11a-dihydro-5,6,11,12-tetraoxa-naphthacene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 21086-83-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,8 and 6 respectively; the second part has 2 digits, 8 and 3 respectively. Calculate Digit Verification of CAS Registry Number 21086-83: (7*2)+(6*1)+(5*0)+(4*8)+(3*6)+(2*8)+(1*3)=89 89 % 10 = 9 So 21086-83-9 is a valid CAS Registry Number.
21086-83-9Upstream product
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