57-36-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57-36-3 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57-36:
(4*5)+(3*7)+(2*3)+(1*6)=53
53 % 10 = 3
So 57-36-3 is a valid CAS Registry Number.
InChI:InChI=1/C21H27NO3/c1-4-22(5-2)16-17(3)25-20(23)21(24,18-12-8-6-9-13-18)19-14-10-7-11-15-19/h6-15,17,24H,4-5,16H2,1-3H3