57456-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57456-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,5 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57456-71:
(7*5)+(6*7)+(5*4)+(4*5)+(3*6)+(2*7)+(1*1)=150
150 % 10 = 0
So 57456-71-0 is a valid CAS Registry Number.
InChI:InChI=1/C21H27BrO4/c1-21-8-7-15-14-6-4-13(25-2)9-12(14)3-5-16(15)17(21)10-18(20(21)24)26-19(23)11-22/h4,6,9,15-18,20,24H,3,5,7-8,10-11H2,1-2H3/t15-,16-,17+,18-,20+,21+/m1/s1