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61544-72-7

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61544-72-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61544-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,5,4 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 61544-72:
(7*6)+(6*1)+(5*5)+(4*4)+(3*4)+(2*7)+(1*2)=117
117 % 10 = 7
So 61544-72-7 is a valid CAS Registry Number.

61544-72-7Relevant articles and documents

Benzylpyrimidines

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, (2008/06/13)

Benzylpyrimidines of the formula STR1 wherein R1 and R2 each, independently, is amino, optionally C1-3 -alkyl-substituted pyrrolo, pyrrolidino, piperidino, -NHR3, -N(R3)2, -NHR4, -N(R3)(R4),-NR3 COOR3, -NHCOOR3, -NHCONHR3, -NHCONH2 or -N(NO)R3 or wherein R3 is C1-4 -alkyl or C2-4 -alkenyl, R4 is acyl; Z is hydrogen, chlorine, bromine, pyrrolo, pyrrolidino, piperidino or morpholino or R3, OR3 or -N(R3)2 ; A is an oxygen atom bonded to one of the cyclic nitrogen atoms; and n is 0 or 1 are prepared. The benzylpyrimidines are useful as potentiators of the activity of the sulfonamides.

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