89560-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89560-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,6 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89560-44:
(7*8)+(6*9)+(5*5)+(4*6)+(3*0)+(2*4)+(1*4)=171
171 % 10 = 1
So 89560-44-1 is a valid CAS Registry Number.
89560-44-1Relevant articles and documents
Synthesizing method of optical pure cloprostenol
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Paragraph 0079; 0080, (2019/06/13)
The invention relates to the technical field of medicine preparation, in particular to a synthesizing method of optical pure cloprostenol. The synthesizing method comprises the steps: levogyration corey lactone diol is adopted as a raw material and subjec