103938-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103938-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,3 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 103938-84:
(8*1)+(7*0)+(6*3)+(5*9)+(4*3)+(3*8)+(2*8)+(1*4)=127
127 % 10 = 7
So 103938-84-7 is a valid CAS Registry Number.
InChI:InChI=1/C9H6N4O4S.2C4H9Cl2N/c10-4-6(12(14)15)9(7(5-11)13(16)17)8-2-1-3-18-8;2*5-1-3-7-4-2-6/h1-3,6-7,9H;2*7H,1-4H2