81944-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81944-82-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,4 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81944-82:
(7*8)+(6*1)+(5*9)+(4*4)+(3*4)+(2*8)+(1*2)=153
153 % 10 = 3
So 81944-82-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H13N4O7PS/c15-6-4(1-20-22(17,18)19)21-10(7(6)16)14-3-13-9(23)5-8(14)12-2-11-5/h2-4,6-7,10,15-16H,1H2,(H,11,12)(H2,17,18,19)/t4-,6-,7-,10+/m1/s1