The CAS Registry Mumber 128465-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,6 and 5 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 128465-22: (8*1)+(7*2)+(6*8)+(5*4)+(4*6)+(3*5)+(2*2)+(1*2)=135 135 % 10 = 5 So 128465-22-5 is a valid CAS Registry Number.
INTERACTION OF THIOESTERS OF ALKYNYLPHOSPHINOUS AND ALKYNYLPHOSPHONOUS ACIDS WITH NITRILIMINES
Namestnikov, V. I.,Trishin, Yu. G.,Tamm, L. A.,Chistokletov, V. N.
, p. 444 - 450 (2007/10/02)
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