2,3,3aα,4,5,5a,6,9,9aα,9bβ-decahydro-3α,9α-dimethyl-5aβ-methoxycarbonyl-2-oxonaphtho<2,3-b>furan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 73719-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,1 and 9 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 73719-26: (7*7)+(6*3)+(5*7)+(4*1)+(3*9)+(2*2)+(1*6)=143 143 % 10 = 3 So 73719-26-3 is a valid CAS Registry Number.