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870809-25-9

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870809-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 870809-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,8,0 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 870809-25:
(8*8)+(7*7)+(6*0)+(5*8)+(4*0)+(3*9)+(2*2)+(1*5)=189
189 % 10 = 9
So 870809-25-9 is a valid CAS Registry Number.

870809-25-9Downstream Products

870809-25-9Relevant articles and documents

OCULOSELECTIVE DRUGS AND PRODRUGS

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Page/Page column 35-36, (2010/02/14)

Compounds of the following formula are disclosed: wherein R1 and R2 are each independently H, W, or a phenoxyl protecting group; and R4is H or W, provided that at least one of R1, R2, and R4/sup

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