12216-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12216-87-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,1 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12216-87:
(7*1)+(6*2)+(5*2)+(4*1)+(3*6)+(2*8)+(1*7)=74
74 % 10 = 4
So 12216-87-4 is a valid CAS Registry Number.
InChI:InChI=1/C9H12N3O2S/c1-7-4-5-8(6-9(7)11-10)15(13,14)12(2)3/h4-6H,1-3H3/q+1