78687-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78687-53-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,8 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78687-53:
(7*7)+(6*8)+(5*6)+(4*8)+(3*7)+(2*5)+(1*3)=193
193 % 10 = 3
So 78687-53-3 is a valid CAS Registry Number.
78687-53-3Relevant articles and documents
2-(TRIMETHYLSILYL)ETHYL CHLOROFORMATE: A CONVENIENT REAGENT FOR PROTECTION OF HYDROXYL FUNCTION
Gioeli, Carlo,Balgobin, Neil,Josephson, Staffan,Chattopahyaya, Jyoti B.
, p. 969 - 972 (1981)
2-(Trimethylsilyl)ethyl chloroformate reacts with alcohols to give carbonates in high yield. n-Bu4NF in THF(0.2M) solution for 10 min or ZnBr2 or ZnCl2 in CH3NO2 for 10 min regenerate the alcohol at 20 deg C.
