137042-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137042-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,4 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137042-70:
(8*1)+(7*3)+(6*7)+(5*0)+(4*4)+(3*2)+(2*7)+(1*0)=107
107 % 10 = 7
So 137042-70-7 is a valid CAS Registry Number.
137042-70-7Relevant articles and documents
A new synthesis of nitriles from N-alkoxyimidoyl halides with zinc
Sakamoto,Mori,Takizawa,Kikugawa
, p. 750 - 752 (2007/10/02)
Both aliphatic and aromatic nitriles are obtained from the corresponding N-methoxy-, N-benzyloxy- or N-tert-butoxyimidoyl halides with zinc in a acetic acid/dimethylformamide mixture (1:1).