197770-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197770-98-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,7 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 197770-98:
(8*1)+(7*9)+(6*7)+(5*7)+(4*7)+(3*0)+(2*9)+(1*8)=202
202 % 10 = 2
So 197770-98-2 is a valid CAS Registry Number.
InChI:InChI=1/C51H62N6S2.4HI/c1-52-46-24-11-13-26-48(46)58-50(52)38-40-28-32-54(44-22-9-7-20-42(40)44)30-15-17-34-56(3,4)36-19-37-57(5,6)35-18-16-31-55-33-29-41(43-21-8-10-23-45(43)55)39-51-53(2)47-25-12-14-27-49(47)59-51;;;;/h7-14,20-29,32-33,38-39H,15-19,30-31,34-37H2,1-6H3;4*1H/q+4;;;;/p-4