267877-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 267877-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,8,7 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 267877-58:
(8*2)+(7*6)+(6*7)+(5*8)+(4*7)+(3*7)+(2*5)+(1*8)=207
207 % 10 = 7
So 267877-58-7 is a valid CAS Registry Number.
267877-58-7Relevant articles and documents
Studies on Pyrrolidinones. Synthesis of 1-[(N-Acetylaryl-amino)methyl]pyroglutamic Acid Derivatives
El Ghammarti, Samira,Rigo, Benoit,Mejdi, Hechmi,Hénichart, Jean-Pierre,Couturier, Daniel
, p. 555 - 565 (2007/10/03)
Pyroglutamic acid was transformed into 1-[(N-Acetylarylamino)methyl]pyroglutamic acid derivatives by using trimethylsilyl variations of the Mannich reaction.
