121503-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121503-39-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,0 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121503-39:
(8*1)+(7*2)+(6*1)+(5*5)+(4*0)+(3*3)+(2*3)+(1*9)=77
77 % 10 = 7
So 121503-39-7 is a valid CAS Registry Number.
121503-39-7Relevant articles and documents
A Novel Approach to Heteroarylmethyl- and Heteroarylethylphosphonates
Zbiral, Erich,Drescher, Martina
, p. 735 - 739 (2007/10/02)
(Imidazolylmethyl)-, (thiazolylmethyl)-, and (5-oxo-5,6-dihydroimidazopyrimidinylmethyl)triphenylphosphonium bromides (2,3,4) react with diethyl phosphiteanion or with the carbanion of ethyl diethoxyphosphorylacetate to give the corresponding heter
