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1181-23-3

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1181-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1181-23-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,8 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1181-23:
(6*1)+(5*1)+(4*8)+(3*1)+(2*2)+(1*3)=53
53 % 10 = 3
So 1181-23-3 is a valid CAS Registry Number.
InChI:InChI=1/C31H48O3/c1-22(2)12-9-13-23(3)14-10-15-24(4)16-11-20-31(6,34)21-19-26-25(5)29(32)27-17-7-8-18-28(27)30(26)33/h7-8,17-18,22-24,34H,9-16,19-21H2,1-6H3

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