1217717-42-4 Usage
Uses
cis-(1S,4S)-4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydro-naphthalen-1-ol-d4 (cas# 1217717-42-4) is a compound useful in organic synthesis.
Check Digit Verification of cas no
The CAS Registry Mumber 1217717-42-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,7,1 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1217717-42:
(9*1)+(8*2)+(7*1)+(6*7)+(5*7)+(4*1)+(3*7)+(2*4)+(1*2)=144
144 % 10 = 4
So 1217717-42-4 is a valid CAS Registry Number.