7-tert-Butyl-15,17,18-trimethoxy-3,11-dithia-tricyclo[11.2.2.15,9]octadeca-1(16),5,7,9(18),13(17),14-hexaene 3,3,11,11-tetraoxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87207-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,0 and 7 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 87207-26: (7*8)+(6*7)+(5*2)+(4*0)+(3*7)+(2*2)+(1*6)=139 139 % 10 = 9 So 87207-26-9 is a valid CAS Registry Number.
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