29809-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29809-42-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,8,0 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 29809-42:
(7*2)+(6*9)+(5*8)+(4*0)+(3*9)+(2*4)+(1*2)=145
145 % 10 = 5
So 29809-42-5 is a valid CAS Registry Number.
InChI:InChI=1/CH2O3.Tl/c2-1(3)4;/h(H2,2,3,4);