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172723-84-1

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172723-84-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172723-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,2 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 172723-84:
(8*1)+(7*7)+(6*2)+(5*7)+(4*2)+(3*3)+(2*8)+(1*4)=141
141 % 10 = 1
So 172723-84-1 is a valid CAS Registry Number.

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