78668-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78668-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,6 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78668-68:
(7*7)+(6*8)+(5*6)+(4*6)+(3*8)+(2*6)+(1*8)=195
195 % 10 = 5
So 78668-68-5 is a valid CAS Registry Number.
78668-68-5Relevant articles and documents
SYNTHESIS OF THROMBOXANE A2 ANALOGS-4. (+/-)-DITHIATHROMBOXANE A2 SODIUM SALT
Ohuchida, Shuichi,Hamanaka, Nobuyuki,Hayashi, Masaki
, p. 4273 - 4280 (2007/10/02)
The total synthesis of (+/-)-dithiathromboxane A2 sodium salt 1 was accomplished in 26 steps from methyl 4,4-dimethoxyacetoacetate