137218-02-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137218-02-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,1 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137218-02:
(8*1)+(7*3)+(6*7)+(5*2)+(4*1)+(3*8)+(2*0)+(1*2)=111
111 % 10 = 1
So 137218-02-1 is a valid CAS Registry Number.
InChI:InChI=1/C39H50O19/c1-14(2)6-11-19-21(54-38-31(49)29(47)26(44)22(13-40)55-38)12-20(41)23-27(45)36(33(56-34(19)23)17-7-9-18(51-5)10-8-17)58-39-32(50)35(25(43)16(4)53-39)57-37-30(48)28(46)24(42)15(3)52-37/h6-10,12,15-16,22,24-26,28-32,35,37-44,46-50H,11,13H2,1-5H3