3947-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3947-38-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,4 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3947-38:
(6*3)+(5*9)+(4*4)+(3*7)+(2*3)+(1*8)=114
114 % 10 = 4
So 3947-38-4 is a valid CAS Registry Number.
InChI:InChI=1/C33H40N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h8,15,26-27,35H,2,7,9-14H2,1,3-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b28-15-/t26-,27-/m1/s1