56974-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56974-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,7 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56974-57:
(7*5)+(6*6)+(5*9)+(4*7)+(3*4)+(2*5)+(1*7)=173
173 % 10 = 3
So 56974-57-3 is a valid CAS Registry Number.
InChI:InChI=1/C5H10O3.Na/c1-5(2,3-6)4(7)8;/h6H,3H2,1-2H3,(H,7,8);/q;+1/p-1