64346-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64346-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,3,4 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 64346-74:
(7*6)+(6*4)+(5*3)+(4*4)+(3*6)+(2*7)+(1*4)=133
133 % 10 = 3
So 64346-74-3 is a valid CAS Registry Number.
InChI:InChI=1/C26H19N5O9S3.3Na/c27-21-8-9-22(18-4-2-1-3-17(18)21)28-30-24-11-10-23(19-7-5-15(13-20(19)24)41(32,33)34)29-31-25-14-16(42(35,36)37)6-12-26(25)43(38,39)40;;;/h1-14H,27H2,(H,32,33,34)(H,35,36,37)(H,38,39,40);;;/q;3*+1/p-3/b30-28+,31-29+;;;