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13552-81-3

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13552-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13552-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,5 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13552-81:
(7*1)+(6*3)+(5*5)+(4*5)+(3*2)+(2*8)+(1*1)=93
93 % 10 = 3
So 13552-81-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H14N5O7P.C5H12O11P2/c11-8-5-9(13-2-12-8)15(3-14-5)10(23(19,20)21)7(18)6(17)4(1-16)22-10;6-1-3(8)5(16-18(12,13)14)4(2-7)15-17(9,10)11/h2-4,6-7,16-18H,1H2,(H2,11,12,13)(H2,19,20,21);2-6,8H,1H2,(H2,9,10,11)(H2,12,13,14)/t4-,6-,7-,10+;3-,4+,5-/m11/s1

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