127902-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127902-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 127902-57:
(8*1)+(7*2)+(6*7)+(5*9)+(4*0)+(3*2)+(2*5)+(1*7)=132
132 % 10 = 2
So 127902-57-2 is a valid CAS Registry Number.
InChI:InChI=1/C17H22N6O4/c18-16(27)17-4-9(5-17)7-23(17)15(26)12(3-10-6-19-8-20-10)22-14(25)11-1-2-13(24)21-11/h6,8-9,11-12H,1-5,7H2,(H2,18,27)(H,19,20)(H,21,24)(H,22,25)/t9?,11-,12-,17?/m0/s1