127995-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127995-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,9 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127995-99:
(8*1)+(7*2)+(6*7)+(5*9)+(4*9)+(3*5)+(2*9)+(1*9)=187
187 % 10 = 7
So 127995-99-7 is a valid CAS Registry Number.
InChI:InChI=1/C27H31NO10/c1-4-27(35)9-14(38-15-8-12(28)21(29)10(2)37-15)17-20(26(27)34)25(33)18-19(24(17)32)23(31)16-11(22(18)30)6-5-7-13(16)36-3/h5-7,10,12,14-15,21,26,29,32-35H,4,8-9,28H2,1-3H3