639007-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 639007-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,9,0,0 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 639007-20:
(8*6)+(7*3)+(6*9)+(5*0)+(4*0)+(3*7)+(2*2)+(1*0)=148
148 % 10 = 8
So 639007-20-8 is a valid CAS Registry Number.
639007-20-8Relevant articles and documents
PRODURG, MEDICINAL UTILIZATION THEREOF AND PROCESS FOR PRODUCING THE SAME
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Page/Page column 9-10, (2010/02/11)
A prodrug utilizes an enzyme whose enzymatic activity is different in between the target site of the drug and the site to express side effects, the prodrug having a substituent cleavable with the enzyme and being activated by cleaving the substituent with