73816-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73816-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,1 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73816-40:
(7*7)+(6*3)+(5*8)+(4*1)+(3*6)+(2*4)+(1*0)=137
137 % 10 = 7
So 73816-40-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H29NO2/c1-4-13-21(14-5-2)16-18-9-6-7-12-20(18,22)17-10-8-11-19(15-17)23-3/h4-5,8,10-11,15,18,22H,1-2,6-7,9,12-14,16H2,3H3