117954-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117954-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,5 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117954-68:
(8*1)+(7*1)+(6*7)+(5*9)+(4*5)+(3*4)+(2*6)+(1*8)=154
154 % 10 = 4
So 117954-68-4 is a valid CAS Registry Number.
117954-68-4Relevant articles and documents
Cyclization of a Cysteine Conjugate of N-(3,5-dichlorophenyl)succinimide
Shih, Hsien-Cheng,Rankin, Gary O.
, p. 589 - 590 (2007/10/02)
N-(3,5-Dichlorophenyl)-2-cysteinylsuccinimide methyl ester hydrochloride (5) was prepared from N-(3,5-dichlorophenyl)maleimide (3) and cysteinyl methyl ester hydrochloride.Attempted neutralization of the cysteine conjugate salt with triethylamine resulted
