2-phenyl-6,9-dihydro-5ac,9ac-[1,3]dioxapropano-5r,10c-etheno-[1,2,4]triazolo[1,2-a]phthalazine-1,3,15-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 69999-04-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,9 and 9 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 69999-04: (7*6)+(6*9)+(5*9)+(4*9)+(3*9)+(2*0)+(1*4)=208 208 % 10 = 8 So 69999-04-8 is a valid CAS Registry Number.