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151545-20-9

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151545-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151545-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,5,4 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 151545-20:
(8*1)+(7*5)+(6*1)+(5*5)+(4*4)+(3*5)+(2*2)+(1*0)=109
109 % 10 = 9
So 151545-20-9 is a valid CAS Registry Number.
InChI:InChI=1/C23H32N4O4/c1-15(2)12-20(23(31)27-11-7-10-18(27)14-28)26-22(30)19(25-21(29)16(3)24)13-17-8-5-4-6-9-17/h4-6,8-9,14,16,18-20H,1,7,10-13,24H2,2-3H3,(H,25,29)(H,26,30)/t16-,18-,19+,20-/m0/s1

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