6517-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6517-25-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,1 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6517-25:
(6*6)+(5*5)+(4*1)+(3*7)+(2*2)+(1*5)=95
95 % 10 = 5
So 6517-25-5 is a valid CAS Registry Number.
InChI:InChI=1/3C4H9.H3NO3S.Sn/c3*1-3-4-2;1-5(2,3)4;/h3*1,3-4H2,2H3;(H3,1,2,3,4);/rC12H27Sn.H3NO3S/c1-4-7-10-13(11-8-5-2)12-9-6-3;1-5(2,3)4/h4-12H2,1-3H3;(H3,1,2,3,4)