23776-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23776-38-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,7 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23776-38:
(7*2)+(6*3)+(5*7)+(4*7)+(3*6)+(2*3)+(1*8)=127
127 % 10 = 7
So 23776-38-7 is a valid CAS Registry Number.
InChI:InChI=1/C23H28N2O5/c1-27-19-8-6-5-7-18(19)24-11-13-25(14-12-24)22(26)10-9-17-15-20(28-2)23(30-4)21(16-17)29-3/h5-10,15-16H,11-14H2,1-4H3/b10-9+