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137619-03-5

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137619-03-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137619-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,1 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137619-03:
(8*1)+(7*3)+(6*7)+(5*6)+(4*1)+(3*9)+(2*0)+(1*3)=135
135 % 10 = 5
So 137619-03-5 is a valid CAS Registry Number.

137619-03-5Downstream Products

137619-03-5Relevant articles and documents

ORGANIC PHOSPHORUS COMPOUNDS 97. SYNTHESIS AND PROPERTIES OF 1-AMINO-2-ARYL- AND 2-PYRIDYL-ETHYLPHOSPHONIC ACIDS AND DERIVATIVES

Maier, Ludwig,Diel, Peter J.

, p. 15 - 28 (2007/10/02)

1-Amino-2-(o, m, and p-pyridyl)-ethylphosphonic acids, 5α, 5β and 5γ, have been prepared by alkylation of benzylideneaminomethylphosphonate, followed by hydrogenation and hydrolysis, whereas 1-amino-2-(o, m, and p-methoxyphenyl)-ethylphosphonic acids, 5i,

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