140887-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140887-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,8 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 140887-43:
(8*1)+(7*4)+(6*0)+(5*8)+(4*8)+(3*7)+(2*4)+(1*3)=140
140 % 10 = 0
So 140887-43-0 is a valid CAS Registry Number.
140887-43-0Relevant articles and documents
Phosphonate prodrug of adenine derivative and medical application of phosphonate prodrug
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Paragraph 0014; 0017, (2017/08/28)
The invention relates to a phosphonate prodrug of an adenine derivative and medical application of the phosphonate prodrug. Specifically, the invention relates to a compound shown in a general formula (I) or an optical isomer, or a pharmaceutical salt, or
