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23856-19-1

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23856-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23856-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,8,5 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 23856-19:
(7*2)+(6*3)+(5*8)+(4*5)+(3*6)+(2*1)+(1*9)=121
121 % 10 = 1
So 23856-19-1 is a valid CAS Registry Number.
InChI:InChI=1/C14H10ClN3O/c15-11-3-1-9(2-4-11)14(19)18-13-6-5-12(16)7-10(13)8-17-18/h1-8H,16H2

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