4,4-dimethyl-2,2,6,6-tetraphenyl-1,2-dihydro-4λ6δ2,6λ5-benzo[e][1,2,9,3,8]thiadiazadiphosphoninium; bromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 35390-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,3,9 and 0 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 35390-81: (7*3)+(6*5)+(5*3)+(4*9)+(3*0)+(2*8)+(1*1)=119 119 % 10 = 9 So 35390-81-9 is a valid CAS Registry Number.