128887-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128887-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,8 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128887-42:
(8*1)+(7*2)+(6*8)+(5*8)+(4*8)+(3*7)+(2*4)+(1*2)=173
173 % 10 = 3
So 128887-42-3 is a valid CAS Registry Number.
InChI:InChI=1/C23H33NO6.ClH/c1-21-7-5-14(25)9-13(21)3-4-15-16-6-8-23(29,18(27)12-30-19(28)11-24)22(16,2)10-17(26)20(15)21;/h9,15-17,20,26,29H,3-8,10-12,24H2,1-2H3;1H/t15?,16?,17-,20?,21-,22-,23-;/m0./s1