4,4,7,9,9-pentamethyl-1,3,4,5,6,7,8,9,10,10a-decahydro-7,10a-methanocyclooctaindazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 129609-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,0 and 9 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 129609-97: (8*1)+(7*2)+(6*9)+(5*6)+(4*0)+(3*9)+(2*9)+(1*7)=158 158 % 10 = 8 So 129609-97-8 is a valid CAS Registry Number.