438492-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438492-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,4,9 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 438492-62:
(8*4)+(7*3)+(6*8)+(5*4)+(4*9)+(3*2)+(2*6)+(1*2)=177
177 % 10 = 7
So 438492-62-7 is a valid CAS Registry Number.
438492-62-7Relevant articles and documents
A convenient method for synthesis of trans-4-cyclohexyl-L-proline
Chen, Xiao,Du, Da-Ming,Hua, Wen-Ting
, p. 43 - 46 (2007/10/03)
A convenient method for the synthesis of the fosinopril precursor, trans-4-cyclohexyl-L-proline 1, has been developed. A highly stereoselective alkylation of N-benzyl-pyroglutamic acid 2 with 3-bromocyclohexene at -10°C and subsequent hydrogenolysis affor