(3E,5E,7Z)-8-(7,7-Dimethyl-1,3,4,5,6,7-hexahydro-isobenzofuran-1-yl)-3,7-dimethyl-octa-3,5,7-trienoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81132-94-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,3 and 2 respectively; the second part has 2 digits, 9 and 4 respectively. Calculate Digit Verification of CAS Registry Number 81132-94: (7*8)+(6*1)+(5*1)+(4*3)+(3*2)+(2*9)+(1*4)=107 107 % 10 = 7 So 81132-94-7 is a valid CAS Registry Number.