191939-34-1 Usage
General Description
Bendamustine Impurity D is a chemical compound that is a potential impurity found in bendamustine, a medication used to treat certain types of cancer. It is a derivative of bendamustine and is classified as a process impurity. It is important to monitor the levels of Bendamustine Impurity D in bendamustine formulations, as high levels of impurities can affect the safety and efficacy of the medication. Therefore, stringent quality control measures should be in place to ensure the purity of bendamustine formulations and minimize the presence of Bendamustine Impurity D.
Check Digit Verification of cas no
The CAS Registry Mumber 191939-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,9,3 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 191939-34:
(8*1)+(7*9)+(6*1)+(5*9)+(4*3)+(3*9)+(2*3)+(1*4)=171
171 % 10 = 1
So 191939-34-1 is a valid CAS Registry Number.