6442-00-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6442-00-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 2 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6442-00:
(6*6)+(5*4)+(4*4)+(3*2)+(2*0)+(1*0)=78
78 % 10 = 8
So 6442-00-8 is a valid CAS Registry Number.
InChI:InChI=1/C24H17N5O9S3.3Na/c1-12-2-11-17-20(21(12)41(36,37)38)39-22(25-17)13-3-5-14(6-4-13)26-27-18-19(24(31)32)28-29(23(18)30)15-7-9-16(10-8-15)40(33,34)35;;;/h2-11,18H,1H3,(H,31,32)(H,33,34,35)(H,36,37,38);;;/q;3*+1/p-3/b27-26+;;;