137374-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137374-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,7 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137374-53:
(8*1)+(7*3)+(6*7)+(5*3)+(4*7)+(3*4)+(2*5)+(1*3)=139
139 % 10 = 9
So 137374-53-9 is a valid CAS Registry Number.
InChI:InChI=1/C26H42N7O20P3S/c1-26(2,20(38)23(39)29-6-5-15(35)28-7-8-57-16(36)4-3-13(34)25(40)41)10-50-56(47,48)53-55(45,46)49-9-14-19(52-54(42,43)44)18(37)24(51-14)33-12-32-17-21(27)30-11-31-22(17)33/h11-14,18-20,24,34,37-38H,3-10H2,1-2H3,(H,28,35)(H,29,39)(H,40,41)(H,45,46)(H,47,48)(H2,27,30,31)(H2,42,43,44)/t13?,14-,18-,19-,20+,24-/m1/s1