The CAS Registry Mumber 69928-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,2 and 8 respectively; the second part has 2 digits, 1 and 6 respectively. Calculate Digit Verification of CAS Registry Number 69928-16: (7*6)+(6*9)+(5*9)+(4*2)+(3*8)+(2*1)+(1*6)=181 181 % 10 = 1 So 69928-16-1 is a valid CAS Registry Number.
Get Best Price for69928-16-127-phenyl-7,8,10,11,13,14,16,17,19,20,22,27-dodecahydro-5H-6,9,12,15,18,21-hexaoxa-27-phospha-dibenzo[a,d]cyclotricosene 27-oxide