137756-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137756-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,5 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137756-28:
(8*1)+(7*3)+(6*7)+(5*7)+(4*5)+(3*6)+(2*2)+(1*8)=156
156 % 10 = 6
So 137756-28-6 is a valid CAS Registry Number.
InChI:InChI=1/C31H49N9O11/c1-23(41)37(46)20-8-3-6-18-33-26(42)13-16-29(45)39(48)22-10-4-7-19-34-27(43)14-15-28(44)38(47)21-9-2-5-17-32-24-11-12-25(40(49)50)31-30(24)35-51-36-31/h11-12,32,46-48H,2-10,13-22H2,1H3,(H,33,42)(H,34,43)