137778-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137778-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,7 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137778-03:
(8*1)+(7*3)+(6*7)+(5*7)+(4*7)+(3*8)+(2*0)+(1*3)=161
161 % 10 = 1
So 137778-03-1 is a valid CAS Registry Number.
InChI:InChI=1/C22H27N5O6S2/c1-10(2)11-8-34-19-15(25-17(29)14(26-32-6)12-9-35-21(23)24-12)18(30)27(19)16(11)20(31)33-7-13(28)22(3,4)5/h9,15,19H,1,7-8H2,2-6H3,(H2,23,24)(H,25,29)/b26-14+/t15-,19-/m1/s1