134837-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134837-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,3 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 134837-80:
(8*1)+(7*3)+(6*4)+(5*8)+(4*3)+(3*7)+(2*8)+(1*0)=142
142 % 10 = 2
So 134837-80-2 is a valid CAS Registry Number.
InChI:InChI=1/C50H61N7O15.Mn.2H2O/c1-7-32-27(2)35-18-36-28(3)33(8-10-43(58)59)40(52-36)21-41-34(9-11-44(60)61)29(4)37(53-41)20-42-50(30(5)38(54-42)19-39(32)51-35)31(6)71-16-17-72-49(70)26-57(25-48(68)69)15-13-55(22-45(62)63)12-14-56(23-46(64)65)24-47(66)67;;;/h7,18-21,31H,1,8-17,22-26H2,2-6H3,(H8,51,52,53,54,58,59,60,61,62,63,64,65,66,67,68,69);;2*1H2/q;+3;;/p-3/b35-18-,36-18-,37-20-,38-19-,39-19-,40-21-,41-21-,42-20-;;;