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164991-66-6

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  • 4H,10H-9a,13-Epoxy-15a,7-(epoxyethano)azepino[1,2-a]naphtho[2,1-g]quinoline-4,6,16,18-tetrone,1,4a,5,6a,7,7a,8,9,11,12,13,14,16a,16b-tetradecahydro-2,7,7a,11,16a-pentamethyl-,(4aS,6aR,7S,7aS,9aS,11S,1

    Cas No: 164991-66-6

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164991-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164991-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,9,9 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 164991-66:
(8*1)+(7*6)+(6*4)+(5*9)+(4*9)+(3*1)+(2*6)+(1*6)=176
176 % 10 = 6
So 164991-66-6 is a valid CAS Registry Number.

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