81138-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81138-41-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,3 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81138-41:
(7*8)+(6*1)+(5*1)+(4*3)+(3*8)+(2*4)+(1*1)=112
112 % 10 = 2
So 81138-41-2 is a valid CAS Registry Number.
InChI:InChI=1/C8H11NO3.H2O4S/c9-4-8(12)5-1-2-6(10)7(11)3-5;1-5(2,3)4/h1-3,8,10-12H,4,9H2;(H2,1,2,3,4)/t8-;/m0./s1