2,3,6,7-tetrahydro-10-iodo-1H,5H-quinolizino<9,9a,1-gh>coumarin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 137501-25-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,0 and 1 respectively; the second part has 2 digits, 2 and 5 respectively. Calculate Digit Verification of CAS Registry Number 137501-25: (8*1)+(7*3)+(6*7)+(5*5)+(4*0)+(3*1)+(2*2)+(1*5)=108 108 % 10 = 8 So 137501-25-8 is a valid CAS Registry Number.