2273-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2273-75-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,7 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2273-75:
(6*2)+(5*2)+(4*7)+(3*3)+(2*7)+(1*5)=78
78 % 10 = 8
So 2273-75-8 is a valid CAS Registry Number.
InChI:InChI=1/C24H33N10O10P/c1-31(2)19-13-21(27-7-25-19)33(9-29-13)23-17(37)15(35)11(43-23)5-41-45(39,40)42-6-12-16(36)18(38)24(44-12)34-10-30-14-20(32(3)4)26-8-28-22(14)34/h7-12,15-18,23-24,35-38H,5-6H2,1-4H3,(H,39,40)/t11-,12-,15-,16-,17-,18-,23-,24-/m1/s1