1,2,3,4-Diphosphadigermetane,
1,2-bis(1,1-dimethylethyl)-3,3,4,4-tetraphenyl-, trans- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 89992-29-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,9 and 2 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 89992-29: (7*8)+(6*9)+(5*9)+(4*9)+(3*2)+(2*2)+(1*9)=210 210 % 10 = 0 So 89992-29-0 is a valid CAS Registry Number.