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80904-74-1

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80904-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80904-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,0 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80904-74:
(7*8)+(6*0)+(5*9)+(4*0)+(3*4)+(2*7)+(1*4)=131
131 % 10 = 1
So 80904-74-1 is a valid CAS Registry Number.
InChI:InChI=1/C11H16O8/c12-2-6-8(14)9(15)10(16)11(19-6)18-4-5-1-7(13)17-3-5/h1,6,8-12,14-16H,2-4H2/t6-,8-,9+,10-,11-/m1/s1

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