121899-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121899-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,9 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121899-74:
(8*1)+(7*2)+(6*1)+(5*8)+(4*9)+(3*9)+(2*7)+(1*4)=149
149 % 10 = 9
So 121899-74-9 is a valid CAS Registry Number.
121899-74-9Relevant articles and documents
Derivatives of 3-(2-Hydroxyethyl)-2-benzothiazolinone and Related Compounds
D'Amico, John J.,Bollinger, Frederic G.
, p. 1601 - 1605 (2007/10/02)
The reaction of the appropriate 2-benzothiazolinone with 2-chloroethanol or 3-chloropropanol under basic conditions afforded 3-(2-hydroxyethyl- or 3-hydroxypropyl)-2-benzothiazolinone and related compounds 1-7.The reaction of the alcohols 1, 4, 5, or 7 wi
