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131956-44-0

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131956-44-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131956-44-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,5 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131956-44:
(8*1)+(7*3)+(6*1)+(5*9)+(4*5)+(3*6)+(2*4)+(1*4)=130
130 % 10 = 0
So 131956-44-0 is a valid CAS Registry Number.
InChI:InChI=1/C22H28N2O/c1-23-20-9-5-8-18-14-22(25)21(15-19(18)20)24-12-10-17(11-13-24)16-6-3-2-4-7-16/h2-9,17,21-23,25H,10-15H2,1H3/t21-,22-/m1/s1/i1-1

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