83993-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83993-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,9 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83993-19:
(7*8)+(6*3)+(5*9)+(4*9)+(3*3)+(2*1)+(1*9)=175
175 % 10 = 5
So 83993-19-5 is a valid CAS Registry Number.
InChI:InChI=1/C48H93N3O10P/c1-7-9-11-13-15-17-19-21-23-25-27-29-31-33-45(53)58-40-43(61-46(54)34-32-30-28-26-24-22-20-18-16-14-12-10-8-2)41-60-62(56,57)59-36-35-49-39-44(52)50-42-37-47(3,4)51(55)48(5,6)38-42/h42-43,49H,7-41H2,1-6H3,(H,50,52)(H,56,57)