152943-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 152943-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,9,4 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 152943-20:
(8*1)+(7*5)+(6*2)+(5*9)+(4*4)+(3*3)+(2*2)+(1*0)=129
129 % 10 = 9
So 152943-20-9 is a valid CAS Registry Number.
152943-20-9Relevant articles and documents
Heterocyclic compounds for enhancing antitumor activity
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, (2008/06/13)
2,6-Diaminopurines, 3,5-diamino-6,7,8,9-tetrahydrobenzo[b]thiophene[2,3-d]pyrimidines and 2,4-diaminothieno[3,2-d]pyrimidines useful as inhibitors of P-glycoproteins and potentiators of chemotherapeutic agents.