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137593-43-2

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137593-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137593-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,9 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137593-43:
(8*1)+(7*3)+(6*7)+(5*5)+(4*9)+(3*3)+(2*4)+(1*3)=152
152 % 10 = 2
So 137593-43-2 is a valid CAS Registry Number.
InChI:InChI=1/C14H17N3O8S/c18-9(16-7(6-26)13(23)15-5-12(21)22)2-1-8(14(24)25)17-10(19)3-4-11(17)20/h3-4,7-8,26H,1-2,5-6H2,(H,15,23)(H,16,18)(H,21,22)(H,24,25)/t7-,8-/m0/s1

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