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90509-95-8

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90509-95-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90509-95-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,0 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90509-95:
(7*9)+(6*0)+(5*5)+(4*0)+(3*9)+(2*9)+(1*5)=138
138 % 10 = 8
So 90509-95-8 is a valid CAS Registry Number.
InChI:InChI=1/C16H17N3O4S.C3H7O4P/c1-8-7-24-15-11(14(21)19(15)12(8)16(22)23)18-13(20)10(17)9-5-3-2-4-6-9;1-2-3(7-2)8(4,5)6/h2-6,10-11,15H,7,17H2,1H3,(H,18,20)(H,22,23);2-3H,1H3,(H2,4,5,6)/t10?,11-,15-;2-,3+/m10/s1

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