51981-21-6 Usage
Flammability and Explosibility
Nonflammable
Check Digit Verification of cas no
The CAS Registry Mumber 51981-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,8 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51981-21:
(7*5)+(6*1)+(5*9)+(4*8)+(3*1)+(2*2)+(1*1)=126
126 % 10 = 6
So 51981-21-6 is a valid CAS Registry Number.
InChI:InChI=1/C9H13NO8.4Na/c11-6(12)2-1-5(9(17)18)10(3-7(13)14)4-8(15)16;;;;/h5H,1-4H2,(H,11,12)(H,13,14)(H,15,16)(H,17,18);;;;/q;4*+1/p-4/t5-;;;;/m0..../s1