57781-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57781-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,8 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57781-54:
(7*5)+(6*7)+(5*7)+(4*8)+(3*1)+(2*5)+(1*4)=161
161 % 10 = 1
So 57781-54-1 is a valid CAS Registry Number.
InChI:InChI=1/C26H30BrFO6/c1-13-8-18-16-9-21(28)19-10-22(31)20(27)11-24(19,4)17(16)6-7-25(18,5)26(13,34-15(3)30)23(32)12-33-14(2)29/h6,10-11,13,16,18,21H,7-9,12H2,1-5H3/t13-,16+,18-,21+,24+,25-,26?/m0/s1