The CAS Registry Mumber 34455-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,4,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 34455-21: (7*3)+(6*4)+(5*4)+(4*5)+(3*5)+(2*2)+(1*1)=105 105 % 10 = 5 So 34455-21-5 is a valid CAS Registry Number.
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Get Best Price for34455-21-51-Propanaminium, N-(carboxymethyl)-3-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)sulfonylamino-N,N-dimethyl-, inner salt