1219795-44-4 Usage
Uses
Ethyl-d5 Methanesulfonate (CAS# 1219795-44-4) is a useful isotopically labeled research compound.
Check Digit Verification of cas no
The CAS Registry Mumber 1219795-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,7,9 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1219795-44:
(9*1)+(8*2)+(7*1)+(6*9)+(5*7)+(4*9)+(3*5)+(2*4)+(1*4)=184
184 % 10 = 4
So 1219795-44-4 is a valid CAS Registry Number.