128948-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128948-02-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,4 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128948-02:
(8*1)+(7*2)+(6*8)+(5*9)+(4*4)+(3*8)+(2*0)+(1*2)=157
157 % 10 = 7
So 128948-02-7 is a valid CAS Registry Number.
InChI:InChI=1/C33H41N3O9.ClH/c1-6-7-9-15(2)35-36-17(4)33(42)13-19-25(22(14-33)45-23-12-20(34)28(37)16(3)44-23)32(41)27-26(30(19)39)29(38)18-10-8-11-21(43-5)24(18)31(27)40;/h8,10-11,16,20,22-23,28,37,39,41-42H,6-7,9,12-14,34H2,1-5H3;1H/b35-15+,36-17+;