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80284-77-1

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80284-77-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80284-77-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,8 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80284-77:
(7*8)+(6*0)+(5*2)+(4*8)+(3*4)+(2*7)+(1*7)=131
131 % 10 = 1
So 80284-77-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H16O11P2/c1-11-7-19(21)27-17-9-13(3-5-15(11)17)29-33(26,31-32(23,24)25)30-14-4-6-16-12(2)8-20(22)28-18(16)10-14/h3-10H,1-2H3,(H2,23,24,25)

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