121995-85-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121995-85-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,9 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121995-85:
(8*1)+(7*2)+(6*1)+(5*9)+(4*9)+(3*5)+(2*8)+(1*5)=145
145 % 10 = 5
So 121995-85-5 is a valid CAS Registry Number.
InChI:InChI=1/2C15H15N5O2S.Cu/c2*1-22-13-8-12(19-18-11-5-3-2-4-6-11)7-10(14(13)21)9-17-20-15(16)23;/h2*2-9,21H,1H3,(H3,16,20,23);/q;;+2/p-2/b2*17-9+,19-18+;