69938-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69938-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,3 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69938-68:
(7*6)+(6*9)+(5*9)+(4*3)+(3*8)+(2*6)+(1*8)=197
197 % 10 = 7
So 69938-68-7 is a valid CAS Registry Number.
InChI:InChI=1/C18H20ClN5O5/c1-5-22(6-2)15-7-11(3)14(10-17(15)29-4)20-21-18-13(19)8-12(23(25)26)9-16(18)24(27)28/h7-10H,5-6H2,1-4H3/b21-20+