71142-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71142-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,4 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71142-69:
(7*7)+(6*1)+(5*1)+(4*4)+(3*2)+(2*6)+(1*9)=103
103 % 10 = 3
So 71142-69-3 is a valid CAS Registry Number.
InChI:InChI=1/C19H25O3PS/c1-19-10-9-15-14-6-4-13(22-23(2,21)24)11-12(14)3-5-16(15)17(19)7-8-18(19)20/h4,6,11,15-17H,3,5,7-10H2,1-2H3,(H,21,24)/t15-,16-,17+,19+,23?/m1/s1