5,10-dichloro-5,10-dimethyl-2,7-diphenyl-5λ5,10λ5-[1,3,2,4]diazadiphospheto[2,1-b;4,3-b']bis[1,3,4,2]oxadiazaphosphole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 55498-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,4,9 and 8 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 55498-98: (7*5)+(6*5)+(5*4)+(4*9)+(3*8)+(2*9)+(1*8)=171 171 % 10 = 1 So 55498-98-1 is a valid CAS Registry Number.