7,8,9,10-Tetrahydro-7,8,9,12-tetrahydroxy-6,10-methano-6H-pyridazino<1,2-a><1,2>diazepin-1,4-dion is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 53993-39-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,9,9 and 3 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 53993-39: (7*5)+(6*3)+(5*9)+(4*9)+(3*3)+(2*3)+(1*9)=158 158 % 10 = 8 So 53993-39-8 is a valid CAS Registry Number.