optically inactive 3,16-dimethyl-1,18-bis-(2,6,6-trimethyl-cyclohex-1-enyl)-octadeca-2,4,6,12,14,16-hexaen-9-yne-8,11-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 859991-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,9 and 1 respectively; the second part has 2 digits, 3 and 2 respectively. Calculate Digit Verification of CAS Registry Number 859991-32: (8*8)+(7*5)+(6*9)+(5*9)+(4*9)+(3*1)+(2*3)+(1*2)=245 245 % 10 = 5 So 859991-32-5 is a valid CAS Registry Number.
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