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81203-55-6

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81203-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81203-55-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,0 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81203-55:
(7*8)+(6*1)+(5*2)+(4*0)+(3*3)+(2*5)+(1*5)=96
96 % 10 = 6
So 81203-55-6 is a valid CAS Registry Number.
InChI:InChI=1/C17H26O11/c1-6-3-9(19)17(24)7(14(23)25-2)5-26-15(10(6)17)28-16-13(22)12(21)11(20)8(4-18)27-16/h5-6,8-13,15-16,18-22,24H,3-4H2,1-2H3/t6-,8+,9-,10+,11+,12-,13+,15+,16-,17-/m0/s1

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