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127808-81-5

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127808-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127808-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,0 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127808-81:
(8*1)+(7*2)+(6*7)+(5*8)+(4*0)+(3*8)+(2*8)+(1*1)=145
145 % 10 = 5
So 127808-81-5 is a valid CAS Registry Number.
InChI:InChI=1/C38H53N5O8/c1-7-17-43(18-8-2)33(22-27-11-15-29(45)16-12-27)37(49)41-30(19-24(3)4)35(47)39-23-34(46)40-31(21-26-9-13-28(44)14-10-26)36(48)42-32(38(50)51)20-25(5)6/h7-16,24-25,30-33,44-45H,1-2,17-23H2,3-6H3,(H,39,47)(H,40,46)(H,41,49)(H,42,48)(H,50,51)/t30-,31+,32+,33+/m1/s1

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