The CAS Registry Mumber 73961-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,6 and 1 respectively; the second part has 2 digits, 4 and 7 respectively. Calculate Digit Verification of CAS Registry Number 73961-47: (7*7)+(6*3)+(5*9)+(4*6)+(3*1)+(2*4)+(1*7)=154 154 % 10 = 4 So 73961-47-4 is a valid CAS Registry Number.
NOVEL SYNTHESIS OF 4,5-TRISUBSTITUTED DIOXOLANES VIA METHYLTHIOMETHYL ETHERS
Wachter, Michael P.,Adams, Richard E.
, p. 111 - 118 (2007/10/02)
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